Q: The sum of the masses of the atoms in the formula is referred to as what? Choices: - nucleus mass - magnetic mass - atomic mass - molecular mass A:
molecular mass

Q: What does a pollinator pick from its body and carry directly to another plant of the same species? Choices: - spore - pathogen - egg - pollen A:
pollen

Q: Q: A type of what in a cow's gut enables the animal to digest grass? Choices: - virus - pests - algae - bacteria A:
A: bacteria

Question: Q: During adolescence, what causes most of the changes associated with puberty? Choices: - estrogen - nicotine - methane - testosterone A:
Answer: testosterone

*Question*
Q: Molds and casts usually form in which type of rock? Choices: - igneous - metamorphic - crystalline - sedimentary A:
**Answer**
sedimentary

(Question)
Q: Blood volume increases substantially during pregnancy, so that by childbirth, it exceeds its preconception volume by 30 percent, or approximately what? Choices: - 2-3 liters - 3-5 liters - 0-1 liters - 1-2 liters A:
(Answer)
1-2 liters