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nadya68 [22]
3 years ago
10

In the experiment described in the scenario, what's the variable​

Biology
1 answer:
9966 [12]3 years ago
7 0
You did not post the scenario
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HELP EXTRA POITNS BRAINLIEST !!!
patriot [66]
I think the second option is the best (by making the ramps height and length equal) because the first option will require more pushing, the third option will only make the ramp lighter which could cause it to not stay in place, the last option would make it harder to push the boxes up because the rubber will make it harder to slide the boxes up. I hope this helps:)
3 0
2 years ago
What are the 10 central themes of biology and can you explain them?
nlexa [21]

Answer:

1. Emergent Properties

2. The Cell

3. Heritable Information

4. Structure and Function

5. Environmental Interactions

6. Feedback and Regulation

7. Unity and Diversity

8. Evolution

9. Inquiry

10. Science, Technology, and Society

Explanation:

1. The fact that complex organisms derive from small, simple bases.

2. Basic unit of life

3. Found in dna of all living organisms, passed from generation to generation.

4. All parts of organisms serve a purpose. (heart pumps blood)

5. All organisms are involved with their surroundings (plants use sunlight for energy

6. Bodies give us feedback on whether or not things are safe for habitation. (its too hot or cold)

7. All organisms may differ in looks but we are made up of similar DNA

8. explains how organisms develop over decades

9. scientists search for new information

10. We learn about the world through biology.

8 0
3 years ago
Rachel is a frail and fragile girl who is prone to injury and bruising william sheldon would most likely have classified her bod
bezimeni [28]

Rachel is a frail and fragile girl who is prone to injury and bruising William Sheldon would most likely have classified her body as a ectomorph.

William classified people according to their body into three types:  

1. Endomorphs- rounded and soft, with comfortable and extroverted personality,

2. Mesomorphs-square and muscular, with dynamic and aggressive personality,

3. Ectomorphs-thin and fine-boned with introverted, and sensitive personality.


8 0
3 years ago
What is the maximum height the hill could be
Oxana [17]

Answer:

below 1,000 feet

Explanation:

3 0
3 years ago
5. Thinking Critically Paramecium, a single-celled fresh-water organism,
iren [92.7K]

(A) Protozoa and some low-level multicellular animals There are no organs responsible for excreting liquid waste. Such waste can penetrate the cell surface directly into the water outside of it. If paramecium does not contain vacuoles will cause it to lose the balance of body fluids The contractile vacuole compression rate depends on the osmotic pressure of the water in which the animal lives, i.e. the compression rate decreases. if the osmotic pressure of the water in which it resides increases But it will speed up if the osmotic pressure of water decreases.

(B) The water mixed with salt has a higher concentration than fresh water. So the water diffuses into the paramecium. Therefore, the contractile vacuole is less compressed to remove water from the cell than when in fresh water.

5 0
3 years ago
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