Answer:
Differences in water density drive deep water currents.
Explanation:
Deep ocean currents (also known as Thermohaline Circulation) are caused by: The sinking and transport of large masses of cool water gives rise to the thermohaline circulation, which is driven by <u>density </u>gradients due to variations in temperature and salinity.
Answer:
critical period
Explanation:
Critical period: In developmental biology & psychology, the term critical period is defined as the phenomenon that involves an individual's maturational stage in his or her life span in which the nervous system of the person is considered as very sensitive to a few specific environmental stimuli.
If an individual, doesn't receive required stimuli from the environment which is considered as necessary to develop specific functions then it would be difficult for the person to develop those functions later in life.
The critical period was first introduced by John Fiske during 1888.
In the question above, the given statement represents the critical period.
The answer is air pollution
<span>Many people hope that the government will fix the problem. </span>
