Note that this is a matching question and a word bank is provided for this question. the categories are “urban pollution” and “rural pollution”.

classify the sources of air pollution in south asia as either predominantly urban or predominantly rural pollution.

answer bank:

• animal dung

• firewood

• vehicles

• agricultural waste

• power plants

• industries

In 1870, which path would settlers moving west from el paso to los angeles have followed? a) old spanish trail b) gila trail c) california trail d) oregon trail

Eastern europe’s population growth can be attributed to these factors. select all that apply migration

Impressions of tropical swamp plants were observed on rocks in polar regions. the impressions were dark black imprints, which means the fossils are examples of ( 1 ) the fossils tell us that polar regions ( 2 ) ( 1 ) a. carbonization b. mineralization c. trace fossils ( 2 ) a. had tropical plants that can grow in ice b. might have had a diffierent climate in the past c. will have abundent vegitation