The answer is <span>insect and pest populations decreased.
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DDT (dichlorodiphenyltrichloroethane) was used as an insecticide which is a substance used to kill insects. That resulted in decrease in insect and pest populations. It is a persistent and non-degradable insecticide, but as well organic pollutant readily accumulated to soils and consequently affects organisms.
The Answer is C Gas exchange take place in our lungs
Answer:
Adenosine triphoshate(ATP) is the energy currency of the cell.
Explanation:
Glucose is the Stored energy which is formed by the Glycogen. At the time when the energy is required glycogen is converted into glucose while, ATP is the energy which is ready to use. In aerobic conditions, Glucose produces about 30 ATP molecules. ATP molecule consists of HIGH ENERGY PHOSPHATE BONDS which are broken down when energy is required.
<u><em>ADP + inorganic phosphate (pi)</em></u><em>forms</em><u><em> ATP</em></u>
Peristalsis<span> is a radically symmetrical </span><span> contraction and relaxation of muscles</span><span> that propagates in a wave</span><span> down a tube, in an anterograde direction.</span>
