Q: Q: Which process changes rocks by heat and pressure? A:

OPTIONS:
- sediments
- Changes
- weathering
- metamorphism

A: metamorphism

input: OPTIONS:
- similar notation
- scientific diffusion
- certain diffusion
- scientific notation Now, answer this question: Q: What system can be used by scientists to express very small numbers? A:
A:
output: scientific notation

Q: What gives the body shape and support? A:

OPTIONS:
- organs
- muscles
- gravity
- skeleon

Answer: skeleon

Problem: OPTIONS:
- the sclerotic cord
- the dynamic cord
- the lateral cord
- the spinal cord
Q: Q: The central nervous system is composed of the brain and what else? A:
Answer: the spinal cord

Problem:OPTIONS:
- cells
- tissues
- organs
- lipids

Q: What play several important roles in the human body? A:
****
A: lipids

Problem:OPTIONS:
- lungs
- white blood cells
- alveoli
- blood vessels

Q: Three distinct layers or tunics form the walls of what structures; the first is a smooth, inner lining of endothelial cells in contact with the red blood cells? A:
****
A:
blood vessels