I think the correct answer from the choices listed above is option B. With regards to environmental changes, they may affect several populations in an ecosystem because it is where living organisms dwell and they try to adjust accordingly to these changes. Hope this answers the question.
<span>A region of the Earth's atmosphere.</span>
conservation, international agreements, managed use,
public awareness
<span>Venezuela's government gets 50 percent of its income from oil revenues.
</span>true
The Mekong River flows through the countries China, Myanmar, Thailand, Laos, Cambodia, and Viet Nam.
