Answer:
height
Explanation:
3. Quantitative data uses numbers to Measure observed changes. How could this experiment be modified so that quantibtive data could be collected to show that water diffused into the dialysis bag?
CAN ANYONE PLEASE ANSWER!!
Answer:
Mass the bag before and after its exposure to the solution. If diffusion occured, then there should be an increase in the bag's mass.
Explanation:
please mark brainlyest
To modify the experiment to collect quantitative data showing that water diffused into the dialysis bag, you could measure the change in the weight of the dialysis bag before and after the experiment.
Here's how you can do it: Prepare the dialysis bag and fill it with a known volume of a solution. For example, you could fill the bag with 100 mL of a sugar solution. Weigh the dialysis bag using a balance before placing it in the beaker with water.
Place the filled dialysis bag into a beaker of pure water. Make sure the dialysis bag is fully submerged in the water. Allow the setup to stand for a specific amount of time (e.g., 1 hour) to allow water to diffuse into the dialysis bag.
After the specified time, carefully remove the dialysis bag from the beaker of water and gently pat it dry with a paper towel to remove any excess water on the outside. Weigh the dialysis bag again using the same balance.
Calculate the change in weight of the dialysis bag by subtracting the initial weight from the final weight. The weight difference represents the amount of water that has diffused into the dialysis bag.
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please help me out with this newsela question
Answer: the answer is a
Explanation:because it is stating that you have to see if there is anything involving chemical substances.
Could someone help me out with this easy question? I wasn’t in class today.
Answer:
B snsjididiwhejtofijsndixichhdje
Plz help I need help
Like 90% sure its bacteria cell.
A hair consists of two parts: a follicle and a shaft
Answer:
ur answer is in the screenshot below.
Explanation:
2. A scientist is investigating the chemical properties of a hydrogen atom (H), which has an
electroegativtiy of 2.1, and a chlorine atom (CI), which has an electronegativity of 3.0.
Suppose these two atoms form a chemical bond resulting in the compound HCI.
Predict whether the compound is held together by an ionic, a polar covalent,
a nonpolar covalent, or a hydrogen bond.
Explain your prediction.
Describe the bond in terms of its electrical charge. (PLEASE HELP I NEED IT BY 11:59 50 POINTS)
A Nonpolar Covalent, Because A nonpolar covalent bond is a covalent bond in which the bonding electrons are shared equally between the two atoms. ... A nonpolar covalent bond is one in which the distribution of electron density between the two atoms is equal.
Explanation:
I Think :DDD
How is loss of biodiversity connected to extinction of organisms?
Answer:
In an ecosystem, everything is connected. All ecosystems have some form of food chain and symbiosis. This means that animals rely on each other for life. If one animal were to die then others would be negatively affected. Overall, this means that when biodiversity is lost it becomes harder for organisms to survive. For example, pandas rely on bamboo to survive. So, when it gets cut down and destroyed the pandas also suffer. Additionally, in ecosystems, a wide variety of organisms helps other living creates have more forms of survival. This shows how important biodiversity is.
Crowdsourcing was used to solve problems for what science discipline?
Answer:
A. Science relies on observation, measurement, and experimentation.
Explanation:
ok Np bye!
Which statement best explains why the atmosphere is considered an open system?
A.
There is no definite boundary separating it from outer space.
B.
Energy and matter can enter and leave.
C.
Its molecules can move freely, without resistance.
D.
It can accept an unlimited amount of energy.
Answer:
thw anser is A
Explanation:
What has happened around Jakarta in recent years?
A.Large numbers of city residents have moved away to rural areas.
B.Buddhism has become the dominant religion.
C.Population growth has created a megalopolis.
D.Volcano eruptions have destroyed large sections of the city.
Answer:
letter b. Buddhism has become the dominant religion Ang sagot diyan
Answer: C Population growth has created a megalopolis.
Explanation: took the test
If the chromosome number of a typical onion root tip cell is 16 before mitosis, what is the chromosome number of each newly formed nucleus after nuclear division has taken place?
Answer:
16 in each nucleus
Explanation:
Mitosis is the process of cell replication that creates two identical daughter cells. Alternativly, meoisis produces two haploid cells (each having "half" the chromosomes) from each diploid cell.
Answer:
I don't know i need help too
Explanation:
so yea
When can exponential growth occur in a population? Please help
What is the connection between the liquid state of water and hydrogen bonding?
Answer:
In the liquid state, the hydrogen bonds of water can break and reform as the molecules flow from one place to another. When water is cooled, the molecules begin to slow down. Eventually, when water is frozen to ice, the hydrogen bonds become permanent and form a very specific network.
Explanation:
Which of the following choices is a component in the community of a wetlands
ecosystem?
A. Water
B. Sunlight
C. Soil
D. Frog
Answer: Water
Explanation:
A community is the occupied space by a population of two or more species. Water is a community component of a wetland ecosystem. Thus, option A is correct.
What is a wetland ecosystem?Wetland is a type of ecosystem that comprises water reservoirs and has an excess of stored water in the form of bogs, marshes, and swamps. A wetland ecosystem includes many biotic and abiotic factors that interact and live together.
The wetland ecosystem is characterized by the presence of water throughout all the years. It is a valuable ecosystem that absorbs excess precipitation so as to avoid flooding and soil erosions. Hydrology, soils, and biology are the main components of the ecosystem.
Therefore, option A. water is the component of the wetland ecosystem.
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The principle that energy cannot be created or destroyed is known as what
Answer:
Conservation of energy
Explanation:
Activity
1. You have been presented with four outcrops from different locations.
2. Correlate matching layers of rock from the locations A, B and C so that matching
layers are next to each other. Draw lines to identify the correlated layers.
3. Draw a red line between layers of rock to identify where rock layers are missing.
4. Determine the relative age (as a range of time) of the rock layers. Label the age.
5. Try to correlate the rock layers of location D. You will answer questions specific to
layer D after completing this activity.
Answer:It's a + t _ d-e Np
Explanation:
PLSSSSS ANSWER LOTS OF POINTS AND BRAINLYEST
What statement is true of a prokaryotic cell?
It is unicellular, HAS a nucleus, and has most organelles.
It is multicellular, does NOT have nucleus, and has most organelles.
It is multicellular, HAS a nucleus, and is missing most organelles.
It is unicellular, does NOT have a nucleus, and is missing most organelles.
Answer:
the first answer I believe but I could be wrong
Answer: It is unicellular, does not have a nucleus, and is missing most organelles.
Explanation:
Place the smallest level of organization at the top and the largest at the bottom.
HELP PLEASE!!!!!!!!!!!!!!!!!!
Artery
Circulatory System
Smooth Muscle Tissue
Smooth Muscle Cell
Answer:
Artery
Circulatory System
Smooth Muscle Tissue
Smooth Muscle cell
Explanation:
The photos below show three types of muscle tissue. Which type of muscle is
found only in the heart?
A. C
B. A and C
C. A
D. B
Answer:
C the heart operates on cardiac muscle
Explanation:
What is the difference between the way energy puts limits on life and the way phosphorus does so?
Adenosine triphosphate (ATP) production, the creation of sugar and alcoholic esters, and other energy-transfer processes all need phosphorus.
What is the role of phosphorus in energy?
In many enzymatic processes, where inorganic phosphorus regulates the rate of reaction, phosphorus also serves a regulatory purpose in addition to these other tasks.
This holds true for everything from exploration to the development of young children and is determined not by our muscles and lungs but rather by the amount of energy we can obtain from food.
It has a significant impact on how the body utilizes fats and carbs. The production of protein by the body is also necessary for the development, upkeep, and healing of cells and tissues.
Therefore, the way energy puts limits on life and the way phosphorus is different.
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what type of materials are expelled from cells during exocytosis
Answer:
During exocytosis cells expel a variety of materials including waste products, toxins and large molecules such as hormones, proteins and neurotransmitters into the extracellular environment.
Explanation:
Waste Products, Toxins, and large molecules like hormones, proteins and neurotransmitters
Which of the following is not an organelle that prokaryotic and eukaryotic cells share?
ribosomes
Golgi apparatus
cytoplasm
cell membrane
Explanation:
I think it will be ribosome please follow me
Identify organelles in a plant cell.
Giving brainliest!!!!!!!!! This is the last question on the test so i bumped up the points ;)
Answer:
D
Explanation:
All living organisms have to have cells
What subatomic particles are found on the inside of an atom (the nucleus) and what subatomic particles are found on the outside (in the rings)?
Answer:
In the nucleus of an atom, we find 2 subatomic particles, protons, and neutrons.
On the outside, on the rings, are electrons.
I hope this helps you somewhat! :D
TheQuestionIsWhy
The primary gases of the atmosphere are blank
Answer:
Nitrogen and oxygen are by far the most common; dry air is composed of about 78% nitrogen (N2) and about 21% oxygen (O2). Argon, carbon dioxide (CO2), and many other gases are also present in much lower amounts; each makes up less than 1% of the atmosphere's mixture of gases.
Where do heterotrophs get phosphorus from?
Answer:
Heterotrophs get phosphorus from plants and other autotrophs.
cells possess defense systems, because molecules such as play a role in aging and disease in high concentrations. a.Antioxidant;Hydrogen peroxide. b.antioxidanr;catalase.
c.oxidant:potassium prrmanganate. d.oxidant;hydrogen peroxide. e.antioxidant;potassium permanganate
Answer:
I would say C
Explanation:
Based on what I can understand it is asking about how cells age and disease. Something like that.
Oxidents result in aging and creating free radicals. Hydrogen peroxide forms in cells to break down old organelles.
what do you mean by Dermatology?
Answer:
its basically the treatment of skin contiditions like acne and other stuff
Explanation:
Answer:
Dermatology is the science that is concerned with the diagnosis and treatment of diseases of the skin, hair and nails.
Explanation:
The difference between a food web and biogeochemical cycle is -
O Food webs only pertain to ecosystems
O Geochemical cycles lose more energy
Geochemical cycles don't lose anything, food webs lose energy
O Food webs lose energy and geochemical cycles lose nutrients
Answer:
Food webs only pertain to ecosystems.
Explanation: