Answer: Number 2, aka Solid wastes on land.
Explanation: Bacteria in soil is a natural thing, so it's not polluting the earth. Oxygen in the atmosphere is letting us live, meaning it's not polluting the earth. Fish in rivers is also another natural thing, leaving us with solid wastes on land.
Answer:
Each experiment reveals a different piece of information that is needed to develop the theory.
Explanation:
<span>Answer:
Careful observation can lead to consolations even though the underlining reason or mechanism behind the phenomenon is unknown</span>
Three reasons a species could become extinct include, deforestation, being overhunted, not enough food available.
Answer:
Name the state of matter of each layer of the earth... The crust and the inner core are solid, whereas the outer core and inner mantle are liquid. The outer mantle is semi solid.
Explanation:
