What is one problem with preventing erosion in the desert? a. there is too much wind. b. there is too much rain at one time. c. there are not enough plants to protect the soil. d. humans have altered the climate so significantly that desertification has increased.

Scientist have use computer models to create a series of maps that show how susceptible coastal cities in island countries are to the sea rising at different levels.the map shows that a 1 meter rise would swap cities all along the us eastern seaboard. a 6-meter sea level rise with sub merge a large part of florida. thermal expansion has already raise the oceans 10 to 20 centimeters the most likely cause,directly and indirectly, for such a rise in sea level is

Based on the diagram of the electric field lines around the two spherical charges, what are the signs of the left and right charge respectively?

Aforce f making an angle with the horizontal is acting on an object resting on the table. which statement is true for the motion of sliding the object on the table?