The amount by which government expenditures exceed revenues during a particular year is the
a. full-employment.
b. gdp gap.
c. budget deficit.
d. public debt.

the period of human evolution has coincided with environmental change, including ('hominin' refers to any bipedal species closely related to humans – that is, on how do we know earth's climate has changed? a map showing dates and locations of prehistoric archeological sites and migration routes from africa into.

permafrost layer, it exists beneath a layer of soil, rock or sediment.