Answer:
Explanation:
When the downward force of gravity on a falling parachutist is exactly equal to the upward force of air resistance , net force on the parachutist will be zero . As a result of it , there will be no acceleration in his downward motion . In other words , his downward velocity will not be either increasing or decreasing . It will remain steady .
So option b) is correct.
Mainland Southeast Asia is a wide C) peninsula.
From the Nile to the Indus valley, all of the early civilizations formed on river banks. This was because the rivers like the Nile provide fertile land to grow crops, raise cattle and if more than one civilization forms on the banks of the same river,
Answer:
The ions of the solar wind collide with atoms of oxygen and nitrogen from the Earth's atmosphere in the ionosphere. The energy emitted during these collisions creates an aurora, which is a colorful glowing halo around the poles. When the solar wind is the strongest, the auroras are the most active.
Explanation:
