<u>Answer:</u>
<em>B.the increase in temperature and volume of water that runs into rivers and streams</em>
<u>Explanation:</u>
<em>The severity of a flood deeds on the increase in temperature and volume of water that runs into rivers and streams</em>. Increase in the temperatures changes the <em>wind’s direction</em> and there is a more chances for <em>rain fall in these climate. </em>
Due to which there is a loads of water accumulated in this period of time due to which there is always a <em>flood due to the heavy rains</em>. The physical cause due to flood is <em>cause of heavy rainfall steep slopes and wet soil.</em>
Answer:
They use less metabolic energy and they help the animal move faster.
