What natural material forms oil?
a.
mud
b.
plants and animals
c.
sandstone
d.
natural gas

Which term describes a possible explanation of, or answer to, a scientific question that is based on prior knowledge or research and that is testable?

“obamacare”: included a provision for government-run health insurance called “the public option.” was bitterly opposed by congressional republicans because most favored a “single-payer” plan. survived two challenges to its constitutionality. was partially repealed in 2013 in order to avert a government shutdown. led to the expansion of medicaid in republican controlled states.

Advances in technology generally result a.) a higher standard of living for everyone b.) greater productivity c.) more jobs for everyone d.) more government regulation