Q: Q: What term is used to describe anything that takes up space and has mass? A:

OPTIONS:
- size
- weight
- opacity
- matter

A: matter

input: OPTIONS:
- residual energy
- Potential energy
- Chemical energy
- kinetic energy Now, answer this question: Q: The fast motion of gas particles gives them a relatively large amount of what energy? A:
A:
output: kinetic energy

Q: What decay produces helium nuclei? A:

OPTIONS:
- Beta Decay
- duo decay
- radiative decay
- alpha decay

Answer: alpha decay

Problem: OPTIONS:
- carotene
- chroma
- xanthophyll
- chlorophyll
Q: Q: What pigment is required for photosynthesis to occur? A:
Answer: chlorophyll

Problem:OPTIONS:
- oxygen
- smog
- pesticides
- carbon dioxide

Q: Cutting forests and clearing land has also increased the amount of what in the atmosphere? A:
****
A: carbon dioxide

Problem:OPTIONS:
- momentum
- gravity
- intensity
- strength

Q: Paddles and hammers are examples of simple machines that increase the distance over which force is applied, while reducing what? A:
****
A:
strength