Answer:
If you are asking what they mean,and what the difference is, here is what i found.
Explanation:
An epidemic disease is one “affecting many persons at the same time, and spreading from person to person in a locality where the disease is not permanently prevalent.” While a Pandemic is an epidemic that has spread over a large area, that is, it’s “prevalent throughout an entire country, continent, or the whole world.” Hope this makes sense!
Explanation:
The general fertility rate is an age/sex-specific birth rate while the total fertility rate is an age/sex-adjusted birth rate. The TFR is an age-adjusted rate because it is based on the assumption that there are the same number of women in each age group.
Answer:
Radio telescopes, telescopes detecting infrared radiation, gamma rays, and X-rays and space-based telescopes are essential in modern astronomy.
Answer: The view of time would change from country to country. ... For example if there is only one time zone throughout the world then the time in America and India would be same (infact it would be same for all countries) but if it is 1 pm in India in the afternoon then 1pm in America would still be morning.
Explanation:
This would cause a lot of confusion
Weathering, plate tectonics, gulf stream, mountain roads, evaporation...