Answer: B
Explanation: Plastic shopping bags don’t help the environment, meaning that its not an effort to help preserve the environment.
<span>Coral bleaching. The name is apt, as coral affected by this process will lose their vibrant color and become white, which is the color of the calcium carbonate substrate that the coral polyps build around themselves. Coral bleaching can be reversed, but only if ideal conditions return quickly.</span>
<span>The heart contains four chambers: upper left atria, upper right atria, lower left ventricle and the lower right ventricle. Oftentimes, the right atria and right ventricle are together referred to as the "right heart" and the left atria and left ventricle are referred to as the "left heart", however there are still four separate chambers.</span>
Answer:
Explanation:
Water vapor is the most important greenhouse gas. ... However, water vapor does not control the Earth's temperature, but is instead controlled by the temperature. This is because the temperature of the surrounding atmosphere limits the maximum amount of water vapor the atmosphere can contain.
