Q: Q: Exposure to what can increase the amount of pigment in the skin and make it appear darker? A:

OPTIONS:
- gamma rays
- sunlight
- nuclear radiation
- ultraviolet radiation

A: ultraviolet radiation

input: OPTIONS:
- scientific control
- string theory
- independent variable
- hypothesis Now, answer this question: Q: What important aspect of the scientific method is a suggested explanation for an event, which can be tested? A:
A:
output: hypothesis

Q: People with red hair usually have what type of skin? A:

OPTIONS:
- dark
- oily
- dry
- light

Answer: light

Problem: OPTIONS:
- adaptation
- learned behavior
- spontaneous mutation
- adaptive radiation
Q: Q: What is the process in which many new species evolve in a short period of time to fill available niches called? A:
Answer: adaptive radiation

Problem:OPTIONS:
- sixteen
- five
- eight
- six

Q: How many neutrons do 99% of carbon atoms have? A:
****
A: six

Problem:OPTIONS:
- microscopic
- ultraviolet
- gamma radiation
- infrared

Q: What radiation, generally produced by thermal motion and the vibration and rotation of atoms and molecules, literally means "below red"? A:
****
A:
infrared