If earthquakes affect the crust, then what do earthquakes affect? Answer choices: - core - mantle - homes - crust - earth - ocean - animals - ground
crust

(Question)
If courtship can be manifested by displays of color, then for animals, displays of color can be viewed as:? Answer choices: - spectrum - prudishness - rainbow - courtship - positive - harm them - produce light - Movement
(Answer)
courtship

Ques: If hummingbirds increase plants genetic diversity, then what animal increases plants genetic diversity? Answer choices: - Reproduction - Plant reproduction - flowers - Hummingbirds - fish - whales - sharks - animals
Ans: Hummingbirds

(Q).
If sand dollars lack a centralized nervous system, then what lacks a centralized nervous system? Answer choices: - Damaged hearing - Humans - Horses - Sand dollars - insects - Chickens - Pesticides - barnacles
(A).
Sand dollars

Ques:If water beads form on cold surfaces, then where is water likely to form beads? Answer choices: - aqueous solution - on cold surfaces - jungles of the sea - colder weather - Evaporation - colder and wetter - Wet weather - streams.

Ans:on cold surfaces

If ethanol is used to produce electricity by burning, then what is used to produce electricity by burning? Answer choices: - air - heat - energy - cells - calcite - hydrogen - fire - ethanol
ethanol