____________ is a gas that makes up 78% of the earth's atmosphere.
Answer:
Nitrogen
Explanation:
Nitrogen makes up 78% of the atmosphere, while oxygen makes up only 21% and other gases make up around 1%
Answer:
nitrogen
Explanation:
It's a mixture of different gases. The air in Earth's atmosphere is made up of approximately 78 percent nitrogen and 21 percent oxygen.S
hope it helpWhat are the two main processes that provide most of the energy transfer for life processes within an ecosystem?
Answer:
Photosynthesis and cellular respiration
Explanation:
including (anaerobic processes) provide most of the energy for life processes.
WILL GIVE BRAINLIEST, PLEASE HELP ASAP TIME LIMITED WILL:
In pea plants, the gene for the color of the seed has two alleles. In the Punnett square shown below, the dominant allele (Y) represents yellow and the recessive allele (y) represents green.
Based on the Punnett square, what percentage of offspring would have genotype YY?
0%
25%
50%
100%
Which two elements make up table salt
Answer:
Chemically, table salt consists of two elements, sodium (Na) and chloride (Cl).
Which of the following is the correct equation for PHOTOSYNTHESIS?
CO2 + O2 + H20 --> Light+ glucose
CO2 + glucose + H20 --> O2 + light
CO2 + light + H2O --> O2 + glucose
O 02 + light + H2O --> CO2 + glucose
Answer:
CO₂ + light + H₂O --> O₂ + glucose
General Formulas and Concepts:
Photosynthesis is for plants and they use water, carbon dioxide, and energy to make oxygen and sugar.
Explanation:
The general formula for photosynthesis is always:
6CO₂ (g) + 6H₂O (l) + light (energy) → C₆H₁₂O₆ (s) + 6O₂ (g)
Fungi are able to create reproductive cells that
grow into exact copies of the original fungus. What
is this process called?
O sporulation
O binary fission
Obudding
O mitosis
Answer:
sporulation
Explanation:
i just did it
:
What does each part of the illustrated lung model represent in relation to the human
breathing system?
Answer:
The constructed lung model makes use of plastic bottles,straws and balloons to represent the respiratory system. The representation is as follows: -The bottle itself represents the chest cavity. -The upper part of the straw represents the trachea.
Explanation:
google lol
ture or false
Kinetic energy comes from the random motion of particles in a substance.
Answer:
True
Explanation:
Viral DNA that is integrated into a bacterial chromosome is a
Answer:
Hidden virus.
Explanation:
It will sit in the cell's DNA for a while and then attack.
Patients with a specific medical condition have been provided with a new device that helps them manage their condition. The patients will be required to participate in a survey regarding the usefulness of the device. How can the manufacturer be certain that no bias enters into the surveys? Group of answer choices
Answer:
by providing a toll-free number in case there are questions about the devices.
Explanation:
One of the best ways to make certain that this does not happen is by providing a toll-free number in case there are questions about the devices. Doing so makes sure that the customers are fully aware and understand the device and what it is doing. This prevents the customer from assimilating other benefits that they may experience which have nothing to do with the provided device into the survey and potentially contaminating the data with false feedback.
A group of biological communities that interact with the physical environment is
Answer:
Biosphere
Explanation:
A group of biological communities that interact with the physical environment is the "biosphere".
True or false: the landmass built up by the dropping of till by a glacier is called alluvial
Answer: False
Explanation:
which organ produces egg in female human body?
Answer:
ovary
Vagina!!
LoL
Explanation:
Mark me the Brainliest
Answer:
Ovary
Explanation:
Hope it helps
:)
please mark as brainliest if you want
How are individual atoms of oxygen formed in the stratosphere? a. Individual oxygen atoms are formed when oxygen molecules collide with each other. b. Individual oxygen atoms are formed in the sun. c. Individual oxygen atoms are formed during photosynthesis. d. Individual oxygen atoms are formed when UV rays strike oxygen molecules.
Answer:
it should be D !!!
Explanation:
quizlet said so if this is wrong then im getting it wrong too
Individual oxygen atoms are formed when UV rays strike oxygen molecules.
Solar ultraviolet radiation breaks apart one oxygen molecule to produce two oxygen atoms.What are ultraviolet radiation?Ultraviolet (UV) radiation is a form of non-ionizing radiation that is emitted by the sun and artificial sources, such as tanning beds. While it has some benefits for people, including the creation of Vitamin D, it also can cause health risks. Natural source of UV radiation is Sun.To know more about stratosphere here
https://brainly.com/question/13497783
#SPJ2
Question 4 of 10 What do all cells have in common? O A. They are all bacteria. ООО B. They all contain DNA. C. They all have cell walls. D. They can only exist in pairs.
Concept 2 Multiple Choice (2pts each)
1. Which of the following tems represents the smallest part of an element that still has the properties of that element?
A. Cell
B. Matter
C. Atom
D. Molecule
А
is an agent that can cause infections and diseases.
Bacteria, viruses, fungi, Protozoa, and Helminths
Observing Footprints from the Past
detective"O" (observation) or I (inference)
Answer:
dfvas
Explanation:
sadvadsssssss
4a. Describe two examples of non-living things that have one or more of these characteristics of
life.
Answer:
Water and Air
Explanation:
Water and air both are missing cells that living things have.
As energy flows through an ecosystem, energy ____ as it moves to the next trophic level
A. decreases by 10%
B. increases by 90%
C. decreases by 90%
D. increases by 10%
PLEASE HURRY!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
What variable is found on the Y-Axis on the HR diagram?
The __________ variable in an experiment is the one that the scientist intentionally changes in an experiment. The _______ variable in an experiment is the one that the scientist measures / observes. Values that are kept the same in an experiment and NOT changed are called _______
Answer:
idependent#1dependent#2and control variable is #3
Explanation:
The indwpendent variable in an experiment is the one that the scientist intentionally changes in an experiment. The dependent variable in an experiment is the one that the scientist measures / observes. Values that are kept the same in an experiment and NOT changed are called Conttol variable
I need help for this one
Answer:
Cl2
Explanation:
Answer: Cl2 Hope this helps!
Explanation:
One of water's unique properties is that it has strong surface tension. What do you predict would happen if water had weak surface tension?
Plants would not be able to transport water inside themselves.
Plants would not be able to draw water from the ground through their roots.
Water molecules would attract each other.
Water would only be able to dissolve nonpolar substances.
Answer:
One of water's unique properties is that it has strong surface tension. What do you predict would happen if water had weak surface tension?
1)Plants would not be able to transport water inside themselves.
2)Plants would not be able to draw water from the ground through their roots.
3)Water molecules would attract each other.
4)Water would only be able to dissolve nonpolar substances.
Explanation:
do gases sink or float
answer
the density of gases depends upon the temperature. The higher the temperature, the more the molecules are spread out and the lower the density as shown in the graphic on the left. The result is that warm gases rise and cool gases sink.
Explanation:
Answer:
It depnds on howw dense they are
Explanation:
If they are denser than air then they sink. If they are less dense then they float.
Please Help Assap!!!
Which is a factor that keeps Earth in orbit around the Sun?
the orbital path of the moon
the gravitational pull of the Sun
the continuous motion of the universe
Earth’s changing speed and direction
Answer:
The gravitational pull of the Sun
Explanation:
You can determine if something is alive or not based on whether it moves
or not.
True ,False
do plant cells have DNA ?
Answer:
Yes
Explanation:
Plant DNA is found in the plant cells nucleus, mitochondria and chloroplasts!
Which is a role of helpful bacteria?
A)removing nutrients from soil
B)Producing oxygen
C)healing sick animals
D)preventing tooth decay
Answer:
its producing oxygen
Explanation:
PLEASE HELPPP I NEED TO SUBMIT IN LESS THEN 5 MINS!!!!
Question 1: What do the large intestine and kidneys have in common?
Question 2: What does the stomach acid and immune system have in common?