Through which processes do streams deepen, widen, and lengthen their valleys?

Q: Compare the biological productivity of polar, middle latitude, and tropical oceans. Consider all fac...

A: The amount of energy or the organic matter fixed by all living biota types in a given period is know...

Q: -      Does (and if so, how much) the international community have a responsibility to help Africans...

A: Africa is one of the poorest and most deprived continents in health, social, economic, and human dev...

Q: What is density stratification, and how did it change proto-Earth?

A: Earth's present form is a layered structure, where there are multiple layers with different and char...

Q: 2 The main contributions, potentials, characteristics and problems of Ethiopian agriculture.

A: Ethiopia is one of the atypical sub-Saharan countries known for its agricultural livelihood and uniq...

Q: Choose the correct answer. 1. Which of the following plants thrive in a cool and moist habitat? A. C...

A: Cool and moist habitat:  In cool and moist habitats, the growth of plants and trees is very quick an...

Q: define subtropical desert

A: The subtropical deserts, that extends from 15° to 30° northern and southern latitudes, are based on ...

Q: Why can’t descending air form clouds?

A: Descending or Downward motion warms up the air and then the hot air vaporizes water. The water vapor...

Q: Describe and explain the temperature and moisture characteristics of a maritime polar (mp) air mass

A: When the air gets the temperature and characteristics of the region which is associated with the hum...

Q: Pangea was no the first nor will it be the last, super continent. In the process of continental drif...

A: The earliest understanding of plate movement came through continental drift theory. The theory hypot...

Q: 2

A: NORMAL FAULT: Normal faults are formed due to the displacement of both the rock blocks in opposite d...

Q: Compare the causes and effects of tectonic versus eustatic changes in sea level.

A: Sea level changes or the change in volume of seawater is both temporally and spatially widespread ph...