Question 1

One makes their own food, one does not

Accepted Answer

Differences in plant and human cells

Question 2

fruit

Accepted Answer

Provides the most energy for the body in the shortest time

Question 3

repairs tissue

Accepted Answer

Importance of protein to the body

Question 4

increasing atomic number

Accepted Answer

Organization of the periodic table

Question 5

Faster and farther apart absorbing heat

Accepted Answer

Behavior of molecules during boiling process

Question 6

freezing water

Accepted Answer

Example of physical change

Question 7

burning coal

Accepted Answer

Example of chemical change

Question 8

the total amount of matter stays the same

Accepted Answer

Balanced Equations/Law of Conservation of Mass

Question 9

Gases released in the atmosphere

Accepted Answer

Why would the total mass of the product be less than the total mass of the reactants

Question 10

gold

Accepted Answer

Best example of a pure substance

Question 11

a precipitate has formed

Accepted Answer

Evidence that a chemical reaction has occurred

Question 12

coal

Accepted Answer

creates air pollution

Question 13

Production of greenhouse gases

Accepted Answer

Most associated with using fossil fuels

Question 14

Oil is nonrenewable

Accepted Answer

Why should government use energy sources other than oil

Question 15

Brings fresh nutrients to the surface

Accepted Answer

Benefits of upwelling

Question 16

1%

Accepted Answer

Percentage of water available for human use

Question 17

Promotes algae growth in the river

Accepted Answer

Fertilizer runoff is bad for a river because

Question 18

influenza

Accepted Answer

Disease caused by virus

Question 19

By taking over host cells

Accepted Answer

How can a virus reproduce?

Question 20

Microbes can become resistant to the antibiotics

Accepted Answer

Problems with frequent use of antibiotics

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