It Has Been Suggested That Global Warming Could Be Halted

question 11

Multiple Choice

It has been suggested that global warming could be halted by fertilizing the oceans to increase the growth of algae. How might this affect the greenhouse effect?

• A)Algal photosynthesis would use up more CO₂, which traps heat.
• B)Algal photosynthesis would produce more O₂, which blocks light.
• C)Algal photosynthesis would be inhibited by the addition of fertilizer.
• D)Algae photosynthesis would use heat in place of photons.

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Definitions:

Passage

The process or act of moving through, under, over, or past something on the way from one place to another.

Influx

The arrival or entry of large numbers of people or quantities of materials, goods, or other entities, often leading to a significant impact.

Charybdotoxin

A toxin isolated from scorpion venom, which blocks potassium channels in cells, affecting the cellular electrical activity.

Channels

Pathways through which substances can pass in and out of cells or across cell membranes, often specific to certain types of ions or molecules.