What is a meaning of television (tv)​

An electronic system of transmitting transient images of fixed or moving objects together with sound over a wire or through space by apparatus that converts light and sound into electrical waves and reconverts them into visible light rays and audible sound.

The mantle is mostly made up of solid, dense and very hard rocks. it has also 44.8% oxygen, 21.5% silicon, and 22.8% magnesium, iron, aluminum, calcium, sodium, and potassium. of course, these elements are bound together into rocks.

Scientists believe that acidic water dissolves the nutrients and helpful minerals in the soil and then washes them away before the trees and other plants can use them to grow. at the same time, the acid rain causes the release of toxic substances such as aluminum into the soil.