What lives in large colonies?
Options:
- (A) koalas
- (B) swea
- (C) voles
- (D) bees
- (E) bats
- (F) Birds
- (G) cats
- (H) bears
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Let's think first: Insects may live in large colonies and have complex social behaviors. Honey Bee Honey bees are insects that live in a hive and make honey. Bees live in large colonies and have complex social behaviors.... So the answer is [(D)]


What can liquid waste be?
Options:
- (A) gas
- (B) Gaseous
- (C) Solid
- (D) Acidic
- (E) acid rain
- (F) expelled
- (G) Static
- (H) dangerous
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Let's think first: Urine is the liquid waste product of the body that is excreted by the urinary system. Acid urine is usually darker thatn alkaline urine. Liquid waste can be acidic.... So the answer is [(D)]


Something that helps prevent hypothermia:
Options:
- (A) dehydration
- (B) freezing
- (C) water
- (D) head hair
- (E) cold
- (F) electricity
- (G) Exfoliation
- (H) sweating
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Let's think first: Head hair is especially important in preventing heat loss from the body. Hypothermia Loss of body heat caused by exposure is called Hypothermia. Head hair is especially important in preventing hypothermia.... So the answer is [(D)]


Most of what type of animal is known for having a shell?
Options:
- (A) fossils
- (B) toads
- (C) eggs
- (D) swea
- (E) small
- (F) insects
- (G) porous
- (H) snail
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Let's think first: Most mollusks have shells. Among mollusks, the golden snail is a survivalist. Most snails have shells.... So the answer is [(H)]


Freshwater biomes contain water that contains little to no what?
Options:
- (A) cations
- (B) Acids
- (C) Nutrients
- (D) sodium
- (E) Pollution
- (F) animals
- (G) plants
- (H) water
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Let's think first: Freshwater biomes have water that contains little or no salt. Another name for salt is sodium. Freshwater biomes have water that contains little or not sodium.... So the answer is [(D)]


What do all chemical changes require to occur?
Options:
- (A) during the day
- (B) heating liquids
- (C) Activation energy
- (D) wavelengths and photons
- (E) Burning fuel and air
- (F) kinetic energy
- (G) electromagnetic energy
- (H) direct energy
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Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Let's think first: All chemical reactions require activation energy to get started. Chemical changes are a result of chemical reactions. All chemical changes require activation energy to occur.... So the answer is [(C)]