Hello, to answer your question properly it is
C. <span>The waves emitted by the two sources have constant phase difference
Signed by, Virtuoso Sargedog
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One of the reasons why the fish population remains approximately the same from one generation to the next is because not all the eggs laid will survive to adulthood. There are several factors which bring about elimination of the the newly hatched eggs. Examples of these are predators and diseases which eliminate the young offsprings at different stages before they develop into adulthood.
Secondly, production of many eggs by the different fish species leads to competition for survival. Resources such as water, food, oxygen and shelter have to be fought for and its only the fittests that will be able to survive till the reproduction stage.
Carcinogenesis or carcinogens cause cancer in the environment.
<span>Aerobic respiration
uses oxygen while anaerobic respiration does not. In aerobic respiration, it
occurs in most cells. It releases High amount of energy at 36-38 ATP molecules
and it reacts with glucose and oxygen. It produces carbon dioxide, water and
ATP. While in Anaerobic respiration, it occurs mostly on prokaryotes. It releases
lower energy between 36-2 ATP molecules and it reacts with glucose and electron
acceptor which is not an oxygen. It produces carbon dioxide, reduced species
and ATP. The site of both respiration is in the cytoplasm and mitochondria. -ahnnahly</span>