Biological weathering is caused by living organisms, such as microbes, animals, and plants. Water, oxygen, and rocks are nonliving things (though water and rocks may be capable of weathering), and only plant roots fits the definition of biological weathering. So the correct answer for #1 is A.
Frost wedging occurs when the little water content in rock freezes, expanding and forcing the rock apart. Eventually, enough freeze-melt cycles causes the rock to break apart little by little. This is due to ice's density being less than that of water, meaning that it is because water expands when frozen. So the answer to #2 is A.
The Sikhs are the ethnic groups who wanted a separate state of their own. The Sikhs are a follower of Sikhism. It is a monotheist religion in the Punjab region of India. During 1940s, the Sikhs worried that their community would be left without a homeland thus they push through the idea of Khalistan, seeing it as a small state that is a part of Punjab region.
Answer: 180 degrees
Explanation:
Take 360 and divide it by 2.
Answer:
Indian Ocean and Red Sea Watershed
Explanation:
The Eurafrican Mediterranean Watershed borders the Indian Ocean and Red Sea Watershed along the eastern coast of the Mediterranean Sea.
The Arabian Peninsula is largely an endorheic basin, but the rest of the Middle East that lies between the easternmost shores of the Mediterranean and the Indian Ocean belongs to the Indian Ocean and Red Sea Watershed.
