Answer:
Mantle is the interior solid part of the earth which is present between the earth crust and central core.
Explanation:
There are four layers of the earth i. e. earth crust, Mantle, outer core and inner core. Plants are grown on the earth crust. Mantle is the second layer of earth. The thickess of Mantle is about 2900 kilometers. It occupies more than 84 % of the total volume of the earth.
1) appearance of beard and moustache
2) broadening of chest and shoulders
3) changing of voice into a more grave one
Answer:
Carbon dioxide, methane, and water vapour are the most important greenhouse gases.
Answer:
a niche is a specific area if habitation where an orgnism perfoms its daily activities