Answer:
2
Explanation:
As only 2 electrons can present in an orbital, so only 2 electrons in an atom can have this set of quantum numbers.
the double helix is hydrogen bonded through the bases only so the bases are inside the helix only
as adenine combines with thymine and guanine with cytosine
phosphate are in the exterior of it
sugar groups constitute the double helix.
The answer is the el second one since it is a physical change
Answer:
Correct answer is: "Cold Water"
Explanation:
EDGE 2020
The variables to control in an experiment to determine the effect of different fertilizers on the rate of plant growth include soil composition, temperature, water, and light.
<h3>What are controlled variables?</h3>
The expression controlled variables makes reference to experimental conditions that must be equal or constant between experimental groups in order to obtain better comparisons when collecting results.
In conclusion, The variables to control in an experiment to determine the effect of different fertilizers on the rate of plant growth include soil composition, temperature, water, and light.
Learn more about controlled variables here:
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