By changing the controlled variable.
OK so when a rock is weathered down this is a physical type of weathering.
D)Ethically conducted science seeks to inform rather than influence policy
Answer:
C)Increase in plant growth
Explanation:
Because a higher concentration of carbon dioxide in our atmosphere would aid photosynthesis, which in turn contributes to increased plant growth.
Answer:
<u>Ff</u>
Explanation:
The allele representing freckles is "f".
Heterozygous alleles have to have two different components (e.g. Ff) because the term <em>hetero</em> means<em> different</em>.
