HESI A2 Practice Test & Study Guide

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Ecology HESI A2 Practice Questions

Free Ecology practice questions for the HESI A2 exam with detailed rationales.

Question 2 of 2

What is the primary cause of the greenhouse effect?

The depletion of ozone in the stratosphere.

The reflection of sunlight by clouds and ice.

The absorption of infrared radiation by greenhouse gases

The release of oxygen by plants during photosynthesis.

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