Answer:
they allow researchers to know how closely the sample resembles the target population. ... As such, researchers know the percentages of the population based on race, gender, age, education, and a whole host of other demographic characteristics.
Answer:
O-
Explanation:
it is the universal blood type so evveryone can get it put in their body
On an individual basis, to reduce air pollution stop using fossil fuels on a daily basis in his car (so switching from a fuel car to an electric car or at least a hybrid car would be a lot already). Another thing would be that important to do would be to stop spending resources such as wood for warming but to rather use a different energy source to heat up an appartment.
Generally when there is high air pollution, different infections of the nasal pathway could ensue due to it.
Answer:
B.
You can never have too much protein
Explanation:
The protein need for the body depends on the age, physical activities, development and changes. For all these processes, body need a large amount of protein. Our body is at the phase of breaking and building muscles, so high amount of protein is not harmful. Excess amount of protein is stored in the body in form of fats and break down when need for body energy requirements. So if the amount is increase it will result in weight gain and body size.
Even a high amount of proteins is health and safe, but massive increase in amount can cause harm to the body.
It is still unknown that how much amount exactly is harmful for the body. Huge amount of protein cause harm in body is still not have any evidence but there is some disease which are known to be indirectly linked with it. Also harmful effects of massive amount of protein depend on patient health.