Answer:
A concussion is a complex physiological process induced by a bump, blow, or jolt to the head or body, transmitting a force that causes the brain to literally bounce around or twist within the skull.
Explanation:
The damage done to the brain is at a microscopic level: cells and cell membranes are stretched and torn.
<em>Hope this helped :)</em>
Explanation:
1 Formal demography limits its object of study to the measurement of population processes,
2 it refers to events as birth, death, migration, marriage and divorce
3 it studies only numerical data and human population
4 Formal demography is older approach to study population
1 Social demography deals with questions of population composition and change and how they interact with sociological variables at the individual and contextual levels
2 Social demography is analytical, statistical and quantitative study of human population
3 It studies both numerical data and social traits of human population.
4 social demography is newer approach to study population
When too many fish are taken out of the ocean it creates an imbalance that can erode the food web and lead to a loss of other important marine life, including vulnerable species like sea turtles and corals etc.
<span>The number of calories you need simply to breathe, pump blood, grow hair, and be alive is called the :
</span>D. Resting Metabolic Rate
