Which statements are facts? Mayan pyramids are superior to Egyptian pyramids because they have steps.
Egypt is home to more than 130 pyramids.
It hard to imagine how the pyramids were built without the use of modern machines. One of the Seven Wonders of the Ancient World is the Great Pyramid at Giza, Egypt.

Temperatures below 32 degrees fahrenheit are considered to be below

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.

Give an example of a situation in which an individual's pursuit of economic self-interest may not benefit but instead harm the rest of society