1. peripheral resistance
2. vessel elasticity
3. blood volume
4. cardiac output
Answer:
The control variable is the soldier.
Explanation:
The same soldier is used throughout the test
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The answer to this question is; A
Mendel had true-breeding pea plants that, if allowed to self-pollinate, would produce offspring identical to themselves.
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Answer:
The xylem.
Explanation:
They are transported by the xylem in the plant.
Answer:
c latititude
Explanation:
Latitude or distance from the equator – Temperatures drop the further an area is from the equator due to the curvature of the earth. In areas closer to the poles, sunlight has a larger area of atmosphere to pass through and the sun is at a lower angle in the sky.
