Answer:
1. hydrogen Nitrogen Lead Mercury
2. Phytoplankton
3. About 71 percent of the Earth's surface is water-covered, and the oceans hold about 96.5 percent of all Earth's water. Water also exists in the air as water vapor, in rivers and lakes, in icecaps and glaciers, in the ground as soil moisture and in aquifers, and even in you and your dog.
Explanation:
Did you know that more than half of the oxygen on earth is produced by these tiny one-celled plants in the surface of the ocean called phytoplankton?
hope this help
<span>"Timor-Leste" is the location among the locations given in the question that is actually a peninsular country. The correct option among all the options that are given in the question is the second option or option "B". Peninsular country is a country that has water on three sides of it. I hope it helps you.</span>