IS Review for Unit 4 Quiz

Which substance would most neutralize an acidic food?

• dairy (pH 5-7)

• water (pH 6-7)

• baking soda (pH 8-9)

• citrus fruit (pH 2-3)

Of four different laboratory solutions, the solution with the highest acidity has a pH of

• 11

• 7

• 5

• 3

This is a pH chart of common materials. Which substance is the most basic?

• Cola

• Cheese

• Baking Soda

• Bleach

What two processes fuel the carbon cycle?

• evaporation and transpiration

• precipitation and evaporation

• cellular respiration and photosynthesis

• cellular respiration and precipitation

CO₂ is returned to the atmosphere by all methods except which of the following?

• photosynthesis

• combustion

• decomposition

• respiration

The process represented by arrow number 1 is

• decomposition

• photosynthesis

• cellular respiration

• burning of fossil fuels

The carbon released at arrow number 8 is due to

• decomposition

• photosynthesis

• cellular respiration

• burning of fossil fuels

Which letters represent parts of the carbon

cycle that increase carbon dioxide in the atmosphere?

• C

• D

• F

• All of the above

If organism B were removed from the Carbon Cycle, what would be the effect?

• carbon dioxide in the atmosphere would decrease

• carbon dioxide in the atmosphere would increase

• carbon dioxide in the atmosphere would be unchanged

Arrow number 4 represents

• decomposition

• photosynthesis

• cellular respiration

• burning of fossil fuels