What characteristics allowed southern mesopotamia to become the cradle of civilization? select the two correct answers.

a.
nomads developed aggressive herding techniques.

b.
flooding of the tigris and euphrates rivers brought good soil.

c.
farmers developed technology for irrigation.

d.
tribes built deep wells and extensive cooling structures for crops.

e.
engineers developed ways of extracting usable fresh water from the salt water.
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How are decisions by the supreme court under chief justice john marshall strengthened federal power

Aresearcher proposes to conduct a study at a foreign site. the research has been determined to be exempt from the federal regulations by institutional policy. according to federal regulations, is review required at the foreign site? if a proposed study qualifies for exemption, federal regulations do not require review at the foreign site where it will be conducted but still require review at the u.s. site by the institution’s irb. if a proposed study qualifies for exemption, federal regulations do not require review at the foreign site where it will be conducted. if a proposed study qualifies for exemption, federal regulations do require review at the foreign site where it will be conducted. if a proposed study qualifies for exemption, federal regulations do not require review at the foreign site where it will be conducted, but still require review by the institutional official at the local site.

What were some of the things done to the colonists by king george iii?