Q: How many chambers are in the heart? Choices: - two - eight - five - four A:
four

Q: The process where eroded material is dropped somewhere is called? Choices: - maturation - diffusion - diffusion - deposition A:
deposition

Q: Q: What do mitochondrions have an inner and outer version of? Choices: - protein - Molecule - Fatty Acids - membrane A:
A: membrane

Question: Q: A skeleton that consists of hard, mineralized structures located within the soft tissue of organisms is called what? Choices: - exoskeleton - calcium deposits - hydrostatic skeleton - endoskeleton A:
Answer: endoskeleton

*Question*
Q: What kind of process occurs without the need for a continual input of energy from some external source? Choices: - Decay Process - Different Process - induced process - spontaneous process A:
**Answer**
spontaneous process

*Question*
Q: The atomic number defines the identity of what? Choices: - atomic reaction - neutralized molecule - periodic table - element A:
**Answer**
element