Got this from google, scientists count a species population by first knowing the population in a certain area or small geographical sample location then multiply the result by the total area.
Answer:
here's is your answer buddy
Explanation:
it is called as an artificial ecosystem since it is man-made. ... It is evident that amongst a forest, a desert and an aquarium, the aquarium is not a natural ecosystem.
Increasing wavelength is an indication of a Doppler shift caused by an object moving away from the viewer. Longer wavelengths (of the visible spectrum) are redder, shorter wavelengths are bluer. Objects moving away from you have a red shift, objects moving toward you have a blue shift.
Yes. e.g. Earthquakes lead to homes destroyed which leads to potential refugees which leads to a lot of money spent on rebuilding buildings
