There Is Growing Evidence That the Current Harmful Effects of Human

question 1

Multiple Choice

There is growing evidence that the current harmful effects of human activities on aquatic biodiversity and ecosystem services could be reversed over the next ____.

• A) two years
• B) ten years
• C) two decades
• D) fifty years
• E) two centuries

---

Definitions:

Oxygen

A chemical element essential for life, necessary for cellular respiration in most organisms, and a major component of Earth's atmosphere.

Carbon Dioxide

A colorless, odorless gas produced by burning carbon and organic compounds and by respiration, considered a greenhouse gas.

Alveoli

Small, air-filled sacs in the lungs where gas exchange between the air and blood takes place.

Inhaled Air

The mixture of gases that is taken into the lungs during the act of breathing, primarily comprised of nitrogen, oxygen, carbon dioxide, and water vapor.