One way in which the study of populations ( human populations - I assume) affects us is that they can help predict the population size in the future and prepare us for it. For example, if we see that the population is decreasing, a country might want to consider supporting child-bearing or immigration to avoid the problem of too many people receiving pensions but not paying taxes.
Gondwana<span> was an ancient supercontinent that broke up about 180 million years ago.</span>
An important tool in understanding the actual numerical dates of past geologic events is radioactivity.
Dr luceros team used looters trenches rather than dig new ones because they wanted to protect the site from further damage. This is because to prevent further destructions from their activity.
Answer:
Radio noise is a combination of natural electromagnetic atmospheric noise created by electrical processes in the atmosphere like lightning, manmade radio frequency interference from other electrical devices picked up by the receiver's antenna, and thermal noise present in the receiver input.