Q: What forms a ketone when oxidized? Choices: - enzyme - aldehyde - carbolic acid - secondary alcohol A:
secondary alcohol

(Question)
Q: What is the name for something that consists of all the population in a given area together with the nonliving environment? Choices: - web - totality - habitat - ecosystem A:
(Answer)
ecosystem

Ques: Q: What measures the force of gravity pulling on an object? Choices: - density - volume - velocity - weight A:
Ans: weight

(Q).
Q: What is the name of the process that changes some chemical substances into others? Choices: - acid reaction - mixture - hypodermic reaction - chemical reaction A:
(A).
chemical reaction

Ques:Q: What do tube worms rely on for food? Choices: - fatty microorganisms - lentiviruses microorganisms - sponges microorganisms - chemosynthetic microorganisms A:

Ans:chemosynthetic microorganisms

Q: Clams, oysters, scallops, and mussels are examples of what type of species? Choices: - mammals - invertebrates - tortoises - mollusks A:
mollusks