Fact 1: An animal usually requires a warm body temperature for survival.  Fact 2: Cows are social animals.  Given the two facts above, answer the question "what requires a warm body temperature for survival?" with the following options:  - Man  - humans  - oxygen  - density  - cows  - dogs  - fish  - water
cows
Fact 1: Most pituitary hormones control other endocrine glands.  Fact 2: Growth hormone is produced by the pituitary gland.  Given the two facts above, answer the question "what causes growth?" with the following options:  - bacteria  - exercise  - stimuli  - heat  - trees  - cell walls  - fat  - hormones
hormones
Q: Fact 1: Marine biomes are found in the salt water of the ocean.  Fact 2: Another animal that lives within the Marine Biome is a sea tiger.  Given the two facts above, answer the question "What type of water do sea tigers live in?" with the following options:  - warm-blooded  - survival  - Frozen  - liquid  - Salt water  - Fresh  - Absorb light  - Evaporated
A: Salt water
Question: Fact 1: Echinoderms lack a centralized nervous system.  Fact 2: All echinoderms are deuterostomes .  Given the two facts above, answer the question "Some deuterostomes lack a centralized what?" with the following options:  - DNA  - eardrum  - critical organs  - permineralization  - A ruler  - nervous system  - communication center  - respiratory system
Answer: nervous system
*Question*
Fact 1: Heating a liquid can be used to identify that liquid 's boiling point.  Fact 2: Because at the boiling point of water, there are molecules that are a gas and that are a liquid.  Given the two facts above, answer the question "What does boiling change a liquid into?" with the following options:  - oil  - heat  - SO2  - salt  - ice  - solid  - water  - gas
**Answer**
gas
Fact 1: Being exposed to wind can cause erosion of soil.  Fact 2: On bare, dry soil, wind erosion can remove significant quantities of topsoil.  Given the two facts above, answer the question "What enhances the effects of erosion?" with the following options:  - less wind  - dry soil  - coastlines  - flooding  - rivers  - streams  - increase in top soil  - mulch

dry soil