Answer:
The best answer to the question: The change in energy consumption in the United States during the past 100 years is due to: a growth spurt in population, which means an increased need for energetic production and consumption, and also, the appearance of technological advances that require such energetic consumption.
Explanation:
According to statistical data, in the past 100 years in the U.S, the production and consumption of energy, in the form of electrical power, oil, coal and natural gas, has increased significantly compared to a period prior to those 100 years because of the increase in population, the expansion of that population to greater land areas, and most importantly, due to the appearance of technologies that have required such energy. Cars, planes, devices that require power, transportation of different kinds, have grown along with population growth and have marked the difference in the way, and the amount, that energy is consumed in the U.S.
Answer:
Seismology: The branch of science studies of earthquakes and the movement of waves through the earth.
Answer:
the branch of public health concerned with monitoring or mitigating those factors in the environment that affect human health and disease.
the condition of the environment in a particular region, especially as regards ecological diversity or pollution.
Explanation:
For example "air pollution is a huge environmental health issue".
Answer:
I think that there must be a sufficient number of doctors .. since no matter how many hospitals and health centers there are no use without doctors and medical staff