The world's deepest known trench has never been explored.
a. true
b. false

Combine like terms. do not forget to use the distributive property to simplify the first term. 2(3y + 5k) - 2k

Sandstones that form in aeolian (wind/desert) environments appear very different from other sandstones, such as those formed in a beach/ shoreline environment and in rivers on land. give three identifying properties for each of the three sandstones that would tell a geologist which depositional environment they formed in. consider things such as the relationship between transportation and grain size, shape, roundness, sorting, fossils and composition.

Scientists think that convection currents flow in earth’s a. continents. b. mantle. c. lithosphere. d. inner core.