Answer:
Sunlight is abiotic. Abiotic is a non living thing
Sunlight is an abiotic factor. Therefore, the correct statement is option C.
What do abiotic elements consist of?Sunlight is an inanimate element of the environment, making it an abiotic one. Insects and tree sap are both living things, and a tree stump is a decomposing piece of the environment that was once alive.
Abiotic elements are the ecosystem's non-living parts. They include natural elements including sunshine, water, air, temperature, soil, and minerals as well as physical and chemical elements. In contrast, biotic factors include live species, including plants, animals, fungi, and bacteria.
Sunlight is a crucial abiotic component of ecosystems because it fuels photosynthesis and influences the development and behavior of living things. It also affects weather patterns and climate, which may have a big influence on ecosystems.
Therefore, sunlight is an abiotic factor including natural elements including sunshine, water, air, temperature, soil, and minerals as well as physical and chemical elements.
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help me with this please
five good habits to keep our surroundings clean
Answer:
1: When you eat/drink something, bring the dish/glass back to the sink
2: Put things back where you found them
3: If you see things on the floor that shouldn't be there, pick it up
Try to think of the last 2 yourself!
Explanation:
Li-Fraumeni syndrome (LFS1) is a rare hereditary disorder that leads to a predisposition to cancer. This hereditary disorder is linked to mutations in the tumor suppressor gene encoding the transcription factor p53. p53 acts at the G1 checkpoint. If damaged DNA is detected, p53 halts the cell cycle. As p53 levels rise, the production of p21 is triggered. p21 enforces the halt in the cell cycle. A variant of Li-Fraumeni, called LFS2, is thought to occur due to a mutation of the CHK2 gene, which is also a tumor suppressor gene. CHK2 regulates the action of p53. Which of the following cascades is most likely to occur in a normal cell that does not contain the LFS mutation?
Answer:
CHK2, p53, p21, cell cycle progression.
Explanation:
In a normal cell with no LFS mutation, during the G1 stage of cell cycle progression, the CHK2 activates if there is damage in the DNA. CHK2 activates p53, which is a tumor suppressor protein that will hold the cell cycle in G1/S until the DNA is repaired. The p53 protein activates p21, a protein that binds to CDK2 and stops the cell cycle. The cell cycle will continue once the damage is repaired.
what are the factors that make the planet habitable
Answer:
Safe distance (like the earth) from the sun, starts surrounding the planet have to be stable, should not have a very low mass.
It must rotate on its axis and revolve.
It should have a molten core.
It should hold an atmosphere.
The planet (earth ) is habitable based on these factors :
Temperature Right chemical ( like water and oxygen )protection from solar radiationdistance from the sunThe planet ( earth ) is habitable because of some certain factors that cannot be found on other planets . such as The temperature of the planet ( earth ) is on an average of 58.62°F. which is the right temperature for human and plant habitation.
The presence of freshwater and oxygen in the atmosphere makes the planet habitable and also other necessary chemicals
The magnetic field of the Earth protects the Earth from high levels of solar radiation and this makes the earth safe and habitable for humans.
The distance of the earth from the sun also makes it possible for life to exist on planet earth
Hence we can conclude that the factors that make the planet habitable are :Temperature , Right chemical ( like water and oxygen ), protection from solar radiation, distance from the sun
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Choose the term that matches the definition:
These elements are found on the left side of the periodic table and are characterized by being shiny, good conductors of heat and electricity, and are often malleable.
AChoice A
Non-Metals
BChoice B
Radioactive
CChoice C
Metals
DChoice D
Metalloids
Answer: Metals
Explanation:
since they have lustre, good conductors of heat and electricity and are often malleable.
Answer:
c
Explanation:
Which of the following is a tool that is best used to measure the oxygen in water?
Answer:
DO is measured using a dissolved oxygen meter (or DO meter). The best method is to take the measurement in the field at the same time each day, because DO concentrations can vary throughout a 24 hour period.
Explanation:
Which of the following helps an ecosystem "fix" problems after a disturbance?
High Temperatures
High Tolerance
High Biodiversity
High Trees
Which of the following is a common characteristic of a carbohydrate? *
A. Ring Structure
B. Fatty Acid Tails
C. Hydrophilic Head
D. Amino Acids
Answer: A carbohydrate is a simple sugar. Its basic structure is composed of the elements carbon, hydrogen and oxygen, with generally twice the hydrogen as carbon and oxygen. In its simplest form, a carbohydrate is a chain of sugar molecules called monosaccharides.
Explanation:
Describe what is happening with light and matter in photosystem II and Photosystem I.
Answer:
Photosystem I is an integral membrane protein complex that uses light energy to catalyze the transfer of electrons across the thylakoid membrane from plastocyanin to ferredoxin. Ultimately, the electrons that are transferred by Photosystem I are used to produce the high energy carrier NADPH.
It captures photons and uses the energy to extract electrons from water molecules. These electrons are used in several ways. First, when the electrons are removed, the water molecule is broken into oxygen gas, which bubbles away, and hydrogen ions, which are used to power ATP synthesis.
Which letter is on the steepest slope?
(A.) A
(B.) B
(C.) C
Answer:
Letter B is on the steepest slope.
Explanation:
A is not correct because letter A is on a position where the contour lines are not close to each other, suggesting that the slope is not mild.
B is correct because the spacing between the contour lines where the letter B is marked is very small, suggesting that the slope is very steep.
wC is not correct because just like with letter A, the contour lines are not close to each other, but are further away, suggesting that the slope is not steep but it is mild.
TRUE OR FALSE QUESTION
The Florida Keys are made up of a chain of islands near the tip of the peninsula.
Answer:
true
Explanation:
Answer:
TRUE
Thats what the florida keys are a chain of islannds
Homeostasis Review - List some things in living things that need to be regulated
Answer:
Homeostasis The tendency to resist change in order to maintain a stable, relatively constant internal environment
Explanation:
The body maintains homeostasis for many factors. Some of these include body temperature, blood glucose, and various pH levels.
Homeostasis is maintained at many levels, not just the level of the whole body as it is for temperature. For instance, the stomach maintains a pH that's different from that of surrounding organs, and each individual cell maintains ion concentrations different from those of the surrounding fluid. Maintaining homeostasis at each level is key to maintaining the body's overall function.
Feedback loops
Homeostasis typically involves negative feedback loops that counteract changes of various properties from their target values. An example of a negative feedback loop is body temperature regulation.
Example of negative feedback loop
Example of negative feedback loop
The maintaining of body temperature is an example of a negative feedback loop. When body temperature increases, there are mechanisms that work to decrease temperature, and vice versa.
In contrast to negative feedback loops, positive feedback loops amplify their initiating stimuli, in other words, they move the system away from its starting state.
Example of positive feedback loop
Negative feedback loop=
Feedback loop that acts to oppose the triggering stimulus
Positive feedback loop= Feedback loop that amplifies the starting signal
Cell= Smallest unit of life
Tissue Made of a group of similar cells that work together on a specific task
Organ Structure made up of two or more tissues, organized to carry out a
specific function
Organ system Groups of organs with related functions
Which statement best explains why BaCl2 is an ionic compound?
O A. BaCl, has a net charge of -2.
O B. The neutral atom Ba gains 2 electrons.
O C. BaCl, has a net charge of +2.
OD. The neutral atom Cl gains 1 electron.
Answer:
D. The neutral atom Cl gains 1 electron.
Explanation:
Ionic bond:
It is the bond which is formed by the transfer of electron from one atom to the atom of another element.
Both bonded atoms have very large electronegativity difference. The atom with large electronegativity value accept the electron from other with smaller value of electronegativity.
For example:
Barium chloride is ionic compound. The electronegativity of chlorine is 3.16 and for sodium is 0.89. There is large difference is present. That's why two valence electron from barium is transfer to the chlorine. Barium becomes positive and chlorine becomes negative ion. Both atoms are bonded together electrostatic attraction occur between anion and cations. There are two valence electron lost by barium while chlorine required one electron to complete the octet thus two chlorine atoms are bonded with one barium atom. Each atom of chlorine carry -1 charge while one barium atom have +2 charge.
Every hour we shed 1.5 million skin cells. What do these skin cells become and what
eats them?
Answer:
the protein known as keratin, the main component of the epidermis. Melanocytes, which produce your skin pigment, known as melanin. Langerhans cells, which prevent things from getting into your skin.
Cells can detect changes in their environment and signals from other cells using
enzymes
DNA
receptor protiens
membrane phospholipids
Hypothesis (Pls answer with IF and THEN)
How does fossil evidence determine the relationships of whale ancestors and their descendants?
Similarities in the bone structure, the genetic composition, chemistry of the teeth etc
Explanation;Fossils are the trace or remains of an organism that lived long ago. Fossils provides a lot of evidence concerning the ancestors of whales.Fossil evidence shows that a land mammal the lived between 50 million and 70 million years ago. It is thought that whales evolved from these ocean-dwelling mammals.Whales Descended From Tiny Deer-like Ancestors. Scientists found that whales are mammals whose ancestors walked on land.The structures of the bones and chemistry of the teeth of a close relatives of whales such as Indohyus,indicates that they spent most of their time in water.Answer: If the fossil evidence determine the relationships of whale ancestors and their descendants, then they can see what are the remain of the fossils are the trace or remains of an organism that lived long ago.
Multiple Choice Which option refutes Jim's argument in the following scenario?
Jim is a cattle farmer who prides himself on his ability to raise healthy stock. He believes that all cattle should be raised to be hearty, heavy, and visually appealing in order to make the most financial gain from the sale.
A Cattle must be healthy in order to function.
B Lower weight cattle sell for less at market.
C Breeders determine what traits are desirable.
D. Desirable traits vary by the buyer's role.
Answer:
Desirable traits vary by the buyer’s role.
Explanation:
Someone please help me out
1.does convergent boundaries create or destroy land
2.does divergent boundaries create or destroy land
3.does transform boundaries create or destroy land
Answer:
1. Yes
2. No
3.No
How do you maintain homeostasis when your tired ?
Answer:
The body maintains homeostasis by eliminating these substances through the urinary and digestive systems. An individual simply urinates and defecates the toxins and other nasty things from the blood, restoring homeostasis to the human body.
Explanation:
Answer:
The body maintains homeostasis by eliminating substances through the urinary and digestive systems
Explanation:
A person simply urinates and defecates the toxins and other gross things from the blood, restoring homeostasis to the body.
I just bombed this test and i have 1 retake left. please help!!
Answer:
the products have more energy than the reactants
Explanation:
endergonic reactions require energy to be driven, and therefore the change in gibbs free energy is a positive change, due to the energy gained.
Answer:
Hey!
Your answer is the products have more energy than the reactants!
Explanation:
This could also mean that the amount of physical product could be more as energy is ABSORBED to start and process the reaction! Like melting ice could be an example!
I HOPE THIS HELPED YOU!
put the steps of the nitrogen cycle in order starting with the step that removes nitrogen from the atmosphere
Nitrogen moves from soil to plant material.
Nitrogen molecules are split apart.
Gaseous nitrogen is released.
Dead animals decompose.
1. Nitrogen molecules are split apart.
2. Nitrogen moves from soil to plant material.
3. Dead animals decompose.
4. Gaseous nitrogen is released.
Answer:
Explanation:
1. Nitrogen molecules are split apart.
2. Nitrogen moves from soil to plant material.
3. Dead animals decompose.
4. Gaseous nitrogen is released.
Often, the shape or structure of a cell is related to its_________
Answer:
Cells are limited by their surface area to volume ratio and they come in many different shapes. A cell's function is determined, in part, by its shape.
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Answer:
Function
Explanation:
The shape of the cell, the organelles within it as well as how many of those organelles are present play a huge role in the cells function.
For example, muscles cells will have lots of mitochondria that are used for ATP production, needed in movement.
Lung cells will have ridges or groves in them that increase the cells surface area that make them much more effective at the diffusion of oxygen and carbon dioxide when breathing.
one atom has 13 protons and another atom has 10 protons are they the same element
14. What is the meaning of Agri-
What is the mass of a boy that weighs 270N
Why was modern classification invented?
O Traditional classification could not classify all living things.
O Scientists realized related organisms do not share similar characteristics
O Scientists understood that species share a common ancestor
O Modern classification is faster and easier to use.
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Answer:
Scientists understood that species share a common ancestor.
Explanation: i just took a quiz and got it right
Why is the cell membrane is considered a fluid mosaic?
Answer:
Fluid mosaic is what people consider the cell membrane to be. This is because of how the cell membrane works, its made up of various different molecules floating all over the membrane. The molecules are going in a fluid flow. For example ice floating in an ocean. Or oil floating on water.
Darwin argues that sexual selection is the reason for males in many animal species to differ from females in mental disposition and that, therefore...
a. Sexual selection does not apply to the human species, since equality, not difference, is a human ideal
b. Sexual selection ought to be made illegal
c. Sexual selection is also likely to be the reason for what he considers inherent mental differences between males and females in the human species
Answer:
A sexual selection does not apply to the human species,since equality, not difference,is a human ideal
S.
The reaction shown occurs in many organisms. This reaction would still occur, but at a much slower rate, in the
absence of
urcase
urea + water
carbon dioxide + ammonia
Α.
urea
В.
carbon dioxide
C.
urease
D. ammonia
Answer:
A. Urea
Explanation:
It because a soluble weakly basic nitrogenous compound.
Is this Red blood cell in a Hypotonic, Isotonic, or
Hypertonic solution?
Explanation:
It is hypertonic . Hope it will help you!
Answer:
[tex]\boxed {\tt Hypertonic}[/tex]
Explanation:
The H₂O, or water is exiting the cell, and the result is shriveled up red blood cells.
In a hypertonic solution, there is a greater concentration of solute outside the cell and a greater concentration of water inside the cell.
The water will diffuse through osmosis from high to low concentration, so the water moves out of the cell.
Therefore, this is a hypertonic solution.