Answer: <em>Mean sea level is an average level of the surface of one or more of Earth's bodies of water from which heights such as elevation may be measured.</em>
The right option is; a. soil degradation
Soil degradation most plausibly accounts for the reduction in corn yield.
Soil degradation is an environmental problem in which the condition or quality of soil is reduced due to its improper use usually for agricultural or industrial purposes. Soil degradation can reduce the physical, chemical and biological quality of soil. Soil degradation results in loss of organic matter, soil contamination, fertility decline, and soil acidity or alkalinity which can greatly affect agricultural productivity.
Answer:
The resource that accounts to be Botswana's 90% export earnings is "Diamonds." Diamond has many unequaled qualities and is very unique among minerals. It is the hardest known substance, it is the greatest conductor of heat.
I hope this helps and that you have a good day! :)
Answer:
the last picture
Explanation:
The picture that shows the position of Earth during summer in South Carolina would be the last picture, I highlighted it in red below. South Carolina is located in North America. Summer is the hottest time of the year because it is when your location is closest to the sun. Which in the pictures provided the only one in which North America is closest to the sun is the last picture. Also the earth rotates on an inclined axis so pictures 2 and 3 would not be valid.
