Answer:
Because brackish water has less salt in it and it does not have to use as much energy to seperate them.
Explanation:
It is the Pumice. It is a light-hued, greatly permeable molten shake that structures amid dangerous volcanic emissions. It is utilized as total in lightweight cement, as finishing total, and as a rough in an assortment of modern and purchaser items. Numerous examples have a sufficiently high porosity that they can skim on water until the point when they gradually end up noticeably waterlogged.
Answer: The continents were once all one land mass that broke apart.
If you have ever looked at a map of the Atlantic Ocean, you have probably noticed that the coastlines of Africa and South America seem to fit together like pieces of a jigsaw puzzle. This phenomenon proves that the continents were once a vast landmass that broke apart.
Answer:
Easy access to medical care is not a reason for high birth and death rates in developing countries.
Explanation:
A big portion of the developing countries tends to have high birthrates and high death rates. The reason for this are numerous, ranging from political, religious, traditional, economic, low education levels, women being discriminated against, etc. In general, it seems that the lower the status of women is in a society, the higher the birthrates are, and all of the factors that contribute to it actually result in a shorter life span for the whole population.
One thing that doesn't contribute to this is easy access to medical care. Easy access to medical care is not something that is found in a developing country, on contrary, the access to medical care is hard, limited, and for many people out of reach. When medical care is not available for the population the results are always devastating, with high death rates among infants, during birth (both mothers and children), diseases spread very easily and have a much bigger impact, and because of lack of it also the population leaves shorter lives.