Q: In earthworms, the skin serves as what type of organ? Choices: - kidney - reproductive - excretory - respiratory A:
respiratory

(Question)
Q: E. coli need what kind of acids to survive? Choices: - hydrochloric - bacterial - boric - amino A:
(Answer)
amino

Ques: Q: What happens if a catalyst runs out? Choices: - variety slows - variety increases - reaction increases - reaction slows A:
Ans: reaction slows

(Q).
Q: Air quality is a measure of what in the air? Choices: - clouds - gases - water - pollutants A:
(A).
pollutants

Ques:Q: What kind of bonds are forces of attraction between positive metal ions and the valence electrons that are constantly moving around them? Choices: - neutron bonds - liquid bonds - ionized bonds - metallic bonds A:

Ans:metallic bonds

Q: The release of mature eggs that occurs at the midpoint of each cycle is called? Choices: - fertilization - induction - semination - ovulation A:
ovulation