BIOLOGY HIGH SCHOOL

A student wants to answer the question “Does adding calcium powder to soil make pea plants grow faster?” She adds calcium powder to the soil of 12 plants and does not add it to the soil of a second group of 12 plants. She measures the growth of all of the plants in each group for a month. Which statement best summarizes the factors that need to be controlled in this experiment?

Answers

Answer 1
Answer: All plants should be the same age and health and be given equal amounts of water and sunlight.
Answer 2
Answer:

Answer:

All plants should be the same age and health and be given equal amounts of water and sunlight.

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What is a substrate?

Answers


Its a surface on which an organism grows or is attached.

I hope this helps!
the substance an enzyme acts on

Pyruvate must first be converted into ____________ before entering the tca cycle. what is the reaction

Answers

Pyruvate must first be converted to acetyl co-enzyme A before entering the TCA cycle.

        Reaction

A soap manufacturer wants to prove that their detergent works betterto remove tough stains. What is the dependent variable?

Answers

Answer:

Whether the stain comes out or not.

Explanation:

An organism that has the same genes as the organism it was produced from

Answers

Answer:

Clone

Explanation:

This is the name of an organism that has the same genes as the organism it was produced from

Which metric prefix is equivalent to 0.01 base units?A) centi-
B) deci-
C) kilo-
D) milli-

Answers

the equivalent:
A) centi

Chunks sink and water on top is removed

Answers

When the chunk sink and the water on top are removed, the settling basins contains more calcium and magnesium than soft water. Also, when you shower with hard water, the soap you are using doesn't lather than usually it is with soft water. 

Answer: Settling Basins

= E2020
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