Carbon dioxide from the yeast comes from a process called fermentation. Fermentation is a cellular respiration process in cells that happens when oxygen is not present. If oxygen is present, the process is called aerobic respiration.
Answer:
D
Explanation:
it has to be D because its talking about "how does a volcanic ash affect water systems"
Answer:
the characteristics of herbaceous stems are a, b, and d.
Explanation:
Answer:
D
Explanation:
Pls check the attachment,technical reasons