Which of the following statements describes a challenge that agriculture faces in the coming decade?
a. reliance on farm mechanization will need to be limited. b.farmers in africa must adopt new methods to meet their agricultural needs. c.farm businesses will need to increase their wages to attract more labor. d.food production will need to be reduced to conserve the diminishing supply of fertilizer

During metamorphic processes, increased pressure and temperature can affect the of minerals in rock. rocks subjected to very high pressure are typically than others because mineral grains are squeezed together, and the atoms are more closely packed. during metamorphic processes, water facilitates the transfer of ions between and within minerals, which can the rate at which metamorphic reactions take place. the growth of new minerals within a rock during metamorphism has been estimated to be about per million years. metamorphism is commonly associated with convergent plate boundaries, where two plates move toward each other. during contact metamorphism, a large intrusion will contain thermal energy and will cool much more slowly than a small one. metamorphosed sandstone is known as the metamorphic rock made from metamorphosed shale, was once used to make blackboards for classrooms

Can someone me? i need to have this done as soon as possible! i'm putting 20 points on this!

Southeast asia relies on its many because of the volcanic, mountainous terrain. a. highways c. rivers b. airports d. lakes