The statement is true. Dead zones are the zones of oxygen depletion, which is caused by excessive running off of the fertilizers into the water body. These chemicals, particularly the nitrates, which are used by algae etc. which bloom by using the nitrates and use the oxygen present in the water. When they die, oxygen levels become critically low till then, for other aquatic animals like fishes etc., to survive.
the handles cannot be made by the same metal as metal is a good conductor of heat so when we cook food the handle will also be hot and it will not be comfortable to hold the utensils there for the handles made of wood or plastic as they are insulators and will not become hot while Heating
so the answer is C.
Is a way for a cell to give information about its activities.
7: symbiotic relationship
8: mutualism
9: commensalism
Jane is a researcher who studies
the individual and collective aging processes in humans. Jane works in the
field of gerontology. Gerontology is the extensive study of aging processes in
humans as they age. Under gerontology, the physical, mental, and social changes
in older people is studied as they grow.
