Process: - Living organisms in the sea die - The matter forms on the sea floor - Layers of sediment form above the matter compressing it - After many years the matter is compressed and heated - The result is that crude oil forms.  Question: suppose there are less animals in the sea happens, how will it affect LESS oil.  - A: more - B: less - C: no effect
Ans: A

Process: - The bird picks a tree - The bird collects twigs and other refuse - The bird makes a flat base with twigs - The bird makes sides with twigs and other things - The bird adds softer material to the inside - The nest is done.  Question: suppose there are fewer trees happens, how will it affect MORE/LARGER nests.  - A: more - B: less - C: no effect
Ans: A

Process: - A forest fire starts - The trees and plants burn - The animals lose their homes - If the animals can not escape, they may die from smoke inhalation - The plants that provide food are gone - The animals have little to eat -   Question: suppose lots of rainy weather happens, how will it affect more animals die from smoke inhalation.  - A: more - B: less - C: no effect
Ans: B

Process: - You breathe air in - Air enters bronchial tubes - Air is then split into the bronchioles of each lung - Bronchioles have alveoli which are tiny air sacs - Alveoli is surrounded by many small blood vessels - Oxygen passes through alveoli into blood vessels - Blood leaves the lungs as it travels through the body - Blood carries carbon dioxide back to the lungs - Carbon dioxide released when you exhale.  Question: suppose when you hyperventilate happens, how will it affect LESS oxygen being brought to the body.  - A: more - B: less - C: no effect

Ans: B