Fact 1: An earthquake causes the ground to shake. Fact 2: An earthquake is the shaking of the crust. Given the two facts above, answer the question "what do earthquakes affect?" with the following options: - core - mantle - homes - crust - earth - ocean - animals - ground
crust

(Question)
Fact 1: Courtship is behavior that is intended to attract a mate. Fact 2: Almost all animals display colors to attract a mate or to scare off a predator. Given the two facts above, answer the question "For animals, displays of color can be viewed as:" with the following options: - spectrum - prudishness - rainbow - courtship - positive - harm them - produce light - Movement
(Answer)
courtship

Ques: Fact 1: Cross-pollination increases genetic diversity. Fact 2: Insects and hummingbirds are the primary pollinators. Given the two facts above, answer the question "What animal increases plants genetic diversity?" with the following options: - Reproduction - Plant reproduction - flowers - Hummingbirds - fish - whales - sharks - animals
Ans: Hummingbirds

(Q).
Fact 1: Echinoderms lack a centralized nervous system. Fact 2: Sand dollars and sea biscuits are also echinoderms. Given the two facts above, answer the question "What lacks a centralized nervous system?" with the following options: - Damaged hearing - Humans - Horses - Sand dollars - insects - Chickens - Pesticides - barnacles
(A).
Sand dollars

Ques:Fact 1: Beads of water are formed by water vapor condensing. Fact 2: Moisture builds up in the air and condenses wherever the surfaces are cold. Given the two facts above, answer the question "Where is water likely to form beads?" with the following options: - aqueous solution - on cold surfaces - jungles of the sea - colder weather - Evaporation - colder and wetter - Wet weather - streams.

Ans:on cold surfaces

Fact 1: Biofuel is used to produce electricity by burning. Fact 2: Ethanol is the most widely used biofuel today. Given the two facts above, answer the question "what is used to produce electricity by burning?" with the following options: - air - heat - energy - cells - calcite - hydrogen - fire - ethanol
ethanol