The tropical rain forests are the places on the land that have by far the highest biodiversity, both in plant and animal life. Because they have such a high biodiversity, and the vegetation is evergreen and constantly active, they have a huge effect on the global biosphere. They're the ones that increase the numbers and diversity on the planet, but also that huge biodiversity, especially in the plant life, contributes to higher levels of oxygen into the atmosphere, and that is very beneficial for all of the biodiversity on the planet. It is not coincidence that the Amazon rain forest, the largest in the present, is nicknamed ''the lungs of the Earth''.
Answer:
3.) Pumice
Explanation:
"Pumice is widely used as an abrasive in soaps and cleaners. It is considered one of the softest abrasives on earth."
Answer:
Affordable trains soon ruled the forte of long-distance travel. Jet services were introduced that could fly higher and faster. By the time the 2000s rolled around, commercial flights had transformed themselves into the primary option of travel. Now, each member of the family boasts of a car each for personal use.
Explanation:
They may be Fault Lines or boundaries of Continental Plates.
Most (68%) of the earth's freshwater is found in both glaciers and icecaps.