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.
At the age of 30 they were allowed to live with their families, but continued to train until the age of 60 when they retired from military service. ... Because this did not happen until they were 18-20, they were more emotionally mature when they married and closer to the age of their husbands.
Answer: dams
just took the test
in order for you to have a resume that looks good when you present yourself to an airline for the position, have a second language and first aid training under your belt
Answer: my guess is that they interacted with travelers coming on accident.
Explanation: