There are many interactions between Earth's spheres, some involving the exchange of matter. Which of the following is an example of matter being exchanged between the biosphere and atmosphere? Soil is eroded by rainfall. Plants take in water from the soil. Ocean waters absorb solar energy. Plants release oxygen during photosynthesis,​

Answer mauritania is in the northwestern part of african, meaning its in the western hemisphere, and how do i know/ the map showed me so; ///: )

Answerworking theory

The area of the indian subcontinent is 4.4 million km^2 whereas the usa is  9.8 million  km²

The first immigrants to settle in what is now the united states were the ancient ancestors of modern native americans. the precise routes of those first north american immigrants are disputed, but there is no uncertainty about the fact that every human being on the continent is either a recent immigrant or a descendant of earlier immigrants. since the first immigrants came here from asia more than thirteen thousand years ago, there have been four large and easily recognizable modern waves of immigrants into the united states.