A and D I think but I’m not sure of A but sure of D
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.
Ammonia A ..... c,b,d all come from crude oil
Answer:
the earth is not flat at all
Answer:
Imperialism:
An unequal relationship between territories that is
based on domination and subordination.
Landlocked State:
A state that is completely surrounded by other countries.
Geometric Boundaries:
Boundaries that follow straight lines and do not have much
to do with natural boundaries.
Federal States:
Governments that give their local territories autonomous power and do not have central control
of the entire country.
Irredentism:
The theory, support, or process by which one state seeks to annex a territory governed by another state
Exclaves:
Completely separate holdings that lie within another country.
Explanation: