Q: What features of a salamander's skin help protect itself from predators ? Choices: - camouflaged and thin - slimy and camouflaged - thick and impenetrable - brightly colored and poisonous A:
brightly colored and poisonous

(Question)
Q: The depth of the atmosphere is greatest where? Choices: - under water - the ionosphere - the stratosphere - sea level A:
(Answer)
sea level

Ques: Q: What two lenses comprise a compound microscope? Choices: - polarized and focal - scope and focus - concave and convex - objective and eyepiece A:
Ans: objective and eyepiece

(Q).
Q: What are the major sites of gibberellin production? Choices: - flower and fruit - soil and leaves - stem and roots - young roots and leaves A:
(A).
young roots and leaves

Ques:Q: What branch of science holds hope for developing crops with genes that help them withstand harsh conditions? Choices: - physiology - physics - chemistry - biotechnology A:

Ans:biotechnology

Q: What chemical reaction is the opposite of oxidation? Choices: - mutation - condensation - evaporation - reduction A:
reduction