Which choice best describes the process by which sedimentary rock forms? Earthquakes and volcanoes form it instantly when they occur.
Over millions of years, the sediment settles, compacts, and cements.
Sediment gets carried to the mouth of a river, settles, and quickly forms sediment.
Over hundreds of years, the sediment settles, compacts, and cements.

Which greenhouse gas is emitted when burn fossil fuels for energy? a. nitrogen b. oxygen c. carbon dioxide d. helium

In each transformation of energy , some energy what?

Aparent with freckles is crossed with a parent without freckles. the punnett square shows the possible genotypes and phenotypes of the offspring. which statement accurately describes the probability of phenotypes? a. the offspring are more likely to have freckles. b. the offspring are more likely to have no freckles. c. the likelihood of the offspring having freckles and not having freckles is the same. d. the likelihood of the offspring having freckles and not having freckles cannot be determined.