To ensure that the drinking
water for the public is safe, the Safe Drinking Water Act (SDWA) is
promulgated. The EPA is required to set standards for drinking water quality
and oversee all states in the area are implementing these standards.
The correct answer is Oxygen.
The surface of the Earth was liquefied. As the Earth cooled, an atmosphere generated primarily from gases erupted from volcanoes. It constituted methane, hydrogen sulfide, and ten to 200 times as much as carbon dioxide in comparison to today's atmosphere.
It was considered that there was an extreme volcanic activity for the initial billion years of the existence of the Earth. The initial atmosphere was possibly majority carbon dioxide will no or little concentration of oxygen. There were slight quantities of ammonia, water vapor, and methane.
Answer:
dissolved oxygen
Explanation:
it is because every animal whether on land or water needs oxygen.
Answer:KNITYGIOUH9E4IUGHO87EVIOJH8OUKJIOUAGJKBI37GIVNIOUUIHIUBILUYPO34N9;HD9POIJT9IIJW8OJIYBIUYFGBHWQIIUYFG7I234IIIBFIUKFIOGAIFIHWEFBUISYTBOOB EVHEWGKFWIUYKTYIU
Natural resources are the resources that occur naturally like water, sunlight, wind etc. Organisms including humans use natural resources in many ways. Humans use water for drinking, agriculture, washing clothes etc. Many aquatic organisms use water as their habitat, for example fish. Plants use sunlight for synthesis of food. We use wind for inhaling oxygen. Apart from that, we also use sunlight and wind to generate electricity.
