Crop production can be measured in yield, which is the average amount of a crop produced per unit of land in a single year. Yields are used to compare the level of productivity between different places. The maps show the change in tons of rice per acre of farmland between 1970 and 2015.

Marie places her house plant near a window. the sun shines in the window, but her plant is slightly out of reach for the sun. what will marie's plant do to survive

Explain the popular saying "we are made of stardust. how are we made of stardust? use scientific vocab.

Arecent strip mall land development project included large amounts of paved surfaces. as a result of this project, groundwater levels in the developed area will most likely a. increase due to sealed artesian wells b. decrease as aquifers are not recharged c. decrease due to decreased surface runoff d. increase due to loss of unconfined aquifers e. increase due to a decrease in demand for fresh water