Problem: OPTIONS:
- its weight and volume
- its height and speed
- its mass and direction
- its mass and velocity
Q: Q: What two things determine how much kinetic energy an object has? A:
Answer: its mass and velocity

Problem:OPTIONS:
- acids
- lipids
- Blood
- proteins

Q: There are three different types of rna. all three types are needed to make what? A:
****
A: proteins

Q: What muscle is imperative to breathing in helping the air move in and out of the lungs? A:
OPTIONS:
- uterus
- spleen
- kidneys
- diaphragm
diaphragm

Q: Digestion and respiration are both facilitated by the pharynx, more commonly called the what? A:
OPTIONS:
- esophagus
- sinus
- nose
- throat

Answer: throat

Question: Q: What is the change in a species over time? A:
OPTIONS:
- variation
- phenomenon
- transformation
- evolution
Answer: evolution

input: OPTIONS:
- rivers
- ocean
- moon
- sun Now, answer this question: Q: What celestial body is the earth's main source of energy? A:
A:
output:
sun