Answer:
The person would have a reduced chance a having a stroke or a heart disease. So, B and D.
Explanation:
Eating healthy food that give more nutrients and vitamins to your body will help to strengthen your immune system. A steady exercise regimen doesn't hurt either.
Answer:
One of the factors affecting environmental change
Distance from the sea (Continentality)
Explanation:
The sea affects the climate of a place. Coastal areas are cooler and wetter than inland areas. Clouds form when warm air from inland areas meets cool air from the sea.
C
Given that the World population changed little between this time, we can gather than the birth and death rates were similar, since they seem to cancel each other out from 1200-1400. To clarify, think of this. If you add something to a total (think births to population), but take away the same number (think deaths from population) you end up with the same total as before. Because of this, A is the correct answer choice (The birth rate and death rate were about equal).