Q: Q: What is contained in the cavity of a long bone's central shaft? A:

OPTIONS:
- blood
- calcium
- cells
- marrow

A: marrow

input: OPTIONS:
- acid rain
- meteorites
- the Sun
- asteroids Now, answer this question: Q: In the past, what colliding with planet earth has caused many organisms to die off? A:
A:
output: asteroids

Q: What is the term for the amount of internal energy that the substance can store? A:

OPTIONS:
- mass capacity
- temperature capacity
- humidity capacity
- heat capacity

Answer: heat capacity

Problem: OPTIONS:
- protons
- neutrons
- cell walls
- electrons
Q: Q: What do covalent bonds give atoms a more stable arrangement of? A:
Answer: electrons

Problem:OPTIONS:
- short term evolution
- pseudoevolution
- relatedness
- microevolution

Q: Evolution that occurs over a short period of time is known as what? A:
****
A: microevolution

Problem:OPTIONS:
- no effect
- allergic reaction
- increased flow
- restriction

Q: What impact can plaque in an artery have on the flow of blood? A:
****
A:
restriction