Design an investigation to measure the effect that climate has on soil formation. Identify the independent variable and dependent variable in your experiment.

In which horizon of soil profile is prevent material usually found

Choose the item that is an example of the geographic theme of place.

Which events occurred during the space race? check all that apply. (a) nasa was established. (b) yuri gagarin orbited earth. (c) the soviet union launched salyut. (d) the united states launched skylab. (e) the united states launched explorer 1.