What is another name for the ancient lava flows on the moon
a)maria
b)trenches
c)highlands
d)impact craters

When is your respiration rate likely to change? a. when your intestines are digesting b. when your cells have too much glucose c. when your cells need more oxygen d. when your liver is working after a meal

What is it called when part of a cell membrane closes around a molecule to allow the molecule to enter the cell? a. passive transport b. diffusion c. endocytosis d. exocytosisc. endocytosis

What if the yeast were extremely active and produced more than 100ml gas. would you know? why/why not