Answer:
It's important for a scientist to try to hold all variables constant except for the independent variable. If a control variable changes during an experiment, it may invalidate the correlation between the dependent and independent variable. When possible, control variables should be identified, measured, and recorded.
A) The earth spins
The Earth is constantly spinning, or "rotating", which causes day and night
<span>The nitrogen cycle provides nitrogen to the ecosystem from the atmosphere, ground and oceans. Nitrogen is an important component of complex molecules such as amino acids and nucleotides, which lead to the creation of proteins and DNA, the building blocks of all life. Plants absorb nitrogen in the form of ammonium, nitrate ion and, on rare occasions, as amino acids. </span>
Q85. C- Break Down Large Molecules into smaller molecules!
Answer:
The colony would have less genetics variation!
Explanation:
Just took test!!