<span>Alfred Wegener proposed the theory of continental drift at the beginning of the 20th century. His idea was that the Earth's continents were once joined together, but gradually moved apart over millions of years.</span>
Answer:
To keep the earth safe and clean
Explanation:
If we keep the ocean clean then the water creaters will be able to live better, I mean how would you feel if someone was putting trash in your home., not so good huh. if you recycle your stuff like paper then frewer trees are cut down, yes they do plant one tree every time they take one, but it takes years for the oxygen to rebuild to the same leave, and without trees, not co2 and oxygen.
Answer:
A:true animals only perform cellular respiration and plants only perform cellular respiration
If the prey population is thriving, then the predator population will as well- or at least, until they eat out that population, then the prey and the predators will be at a decline. It's a balance.