The Earth’s orbit around the Sun is an ellipse, not a circle but the ellipse changes shape s<span>ometimes it is almost circular and the Earth stays approximately the same distance from the Sun as it progresses around its orbit.</span>
Answer: Building dams, dredging rivers and planting trees.
Explanation:
The process of land degradation is known as desertification in which the lose of wildlife, vegetation and as well as water bodies become increases. The desertification is mainly caused by the change in the climate and various types of human activities.
So, by planting more and more trees in our surrounding and dredging river prevent the process of desertification. The china also prevent the desertification by building dams as they store water for future used and reduce the process of desertification.
Answer:
Economic exploitation, social terror and political disenfranchisement were the push factors. The political push factors being Jim Crow, and in particular, disenfranchisement. Black people lost the ability to vote.
Explanation:
The flow of heat from Earth's interior to the surface is estimated at 47 terawatts<span>(TW) and comes from two main sources in roughly equal amounts: the radiogenic heat produced by the radioactive decay of </span>isotopes<span> in the mantle and </span>crust<span>, and the primordial heat left over from the formation of the Earth.</span>
