1.) If a substance acts as a base, which of the following must be true? a.) It c

ID: 233361 • Letter: 1

Question

1.) If a substance acts as a base, which of the following must be true?

a.) It can donate protons

b.) I can donate positively charged hydrogens

c.) It can accept protons

d.) It can accept negatively charged hydrogen ions.

2.) What was the likely cause of the little Ice age according to climate critiques?

a.) Ice moved to lower latitudes as shipping interest grow.

b.) Increased cloud layers blocked the Sun.

c.) Soot from burning coal blocked the Sun.

d,) Solar intensity diminished in this time.

3.) What effect does the burning of fossil fuels have on atmospheric warming?

a.) Decrease atmospheric warming by absorbing heat in oxidizing hydrocarbons

b.) Decrease atmospheric warming by reducing the greenhouse gas oxygen.

c.) Increase atmospheric warming by increasing the greenhouse gas carbon dioxide.

d.) None

1) c - It can accept protons

2) b - Increased cloud layers (due to volcanic eruptions) blocked the Sun.

3) c - Increase atmospheric warming by increasing the greenhouse gas carbon dioxide.

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