Genotypes or genomes. phenotypes are physical characteristics.
I'm pretty sure the answer is oxygen because photosynthesis is the reason we have oxygen
Answer:
Bonds between atoms are broken and created to form new molecules.
Explanation:
Answer:
l, smog is harmful to both the respiratory (lungs) and cardiovascular (heart) systems. It aggravates heart problems, bronchitis, asthma, and other lung problems. Smog reduces lung function even in healthy people.
Explanation: