Problem: OPTIONS:
- adrenal skin
- zona reticularis
- medulla
- adrenal cortex
Q: Q: What is the outer layer of the adrenal gland called? A:
Answer: adrenal cortex

Problem:OPTIONS:
- autotrophs
- zygotes
- fungi
- heterotrophs

Q: Organisms that obtain food from outside themselves (i.e. they don't make their own food) are known as what? A:
****
A: heterotrophs

Q: Because trees add water vapor to air, cutting down forests leads to longer periods of what? A:
OPTIONS:
- ice
- harvest
- flooding
- drought
drought

Q: What is the main greenhouse gas causing global warming? A:
OPTIONS:
- nitrogen
- sulfur
- carbon monoxide
- carbon dioxide

Answer: carbon dioxide

Question: Q: Fish and other aquatic organisms use gills to capture dissolved what? A:
OPTIONS:
- food
- sulfur
- nitrogen
- oxygen
Answer: oxygen

input: OPTIONS:
- evidence
- hypothesis
- theory
- scientific law Now, answer this question: Q: What term describes a specific statement that is thought to be never violated by the entire natural universe? A:
A:
output:
scientific law