Q: The heat capacity of an object depends on its chemical composition and what other property? Choices: - volume - concentrations - weight - mass A:
mass

Q: Echinoderms are found in many different ocean environments, but most are found where? Choices: - in tidepools - in beaches - in waterfalls - in reefs A:
in reefs

Q: Q: Sickle-cell disease significantly impairs the function of what? Choices: - limbic system - nervous system - metabolism system - circulatory system A:
A: circulatory system

Question: Q: What are made of long chains consisting almost solely of carbon and hydrogen? Choices: - nucleic acids - enzymes - proteins - lipids A:
Answer: lipids

*Question*
Q: Unburned hydrocarbons can more easily be converted to carbon dioxide and water in the presence of a what? Choices: - temperature - methane - Ethanol - catalyst A:
**Answer**
catalyst

(Question)
Q: Each species of legume is associated with a strain of __________ Choices: - agrobacterium - fungi - heliotropium - rhizobium A:
(Answer)
rhizobium