Q: What takes the shape of the container they are placed in and have a definite volume? Choices: - gases - solids - loads - liquids A:
liquids

Q: In humans, how many chromosomes does each somatic cell have? Choices: - 51 - 48 - 36 - 46 A:
46

Q: Q: Most hormones are controlled by what type of feedback, which causes the hormone to decrease its own production? Choices: - positive - neutral - unusual - negative A:
A: negative

Question: Q: Molecules move from an area of high concentration to an area of lower concentration until an what is met? Choices: - respiration - freezing point - oxidation - equilibrium A:
Answer: equilibrium

*Question*
Q: Water and chemical elements that organisms need keep recycling through biogeochemical what? Choices: - mutations - levels - effects - cycles A:
**Answer**
cycles

Q: What is earth's main source of energy? Choices: - the atmosphere - the moon - the core - the sun A:
the sun