Please help me fast!! Erosion piles up in low places to form:

lava and soil
sand and lava
soil and sand
magma and silt

What type of aid does nigeria receive? short term, tied, voluntary, bilateral, multilateral or long-term?

Which of the layers of the earth has the following three characteristics? i. it is a solid outer layer. ii. it is between 3 and 30 miles thick. iii. it is separated into plates. a. the outer core b. the inner core c. the mantle d. the crust

Which characteristics of temperature and salinity have the greatest influence on the movement of deep-ocean currentsa. warm and low salinityb. cold and high salinityc. cold and low salinityd. warm and high salinity