B. middle of mass extinction
C. near the end of mass extinction
The sentence shown in the question above, about the existence of natural and artificial lakes and ponds, is true.
Natural lakes and ponds are formed by the accumulation of water in land depressions created by glacial activity, earthquakes, and volcanic craters, among others.
Artificial lakes and ponds are created by human activity, usually to store water for irrigation of crops or other agricultural activities.
Learn more about ponds and lakes:
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Answer:
This is true.
Explanation:
It gave me 100% on the ed quiz i took.
Answer:
Explanation:
The prokaryotic cell or prokaryotes are single celled organisms that do not posses organelles or membrane bound structures hence they do not have a nucleus but they posses single chromosome which is a piece of circular double-standard DNA in the nucleoid.
a. a compound.
b. a mixture.
c. a solution.
d. an element.