The sumerians invented the first lunar calendar. a lunar calendar mainly uses the ___ to keep track of time. A. positions of stars
B. Tigras and Euphrates rivers
C. phases of the moon
D. bible

What restrictions do you think should be placed on studies with animal participants? explain

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.

This description of the "firm league of friendship" of states is a quotation from the