A4-kg object falls vertically a distance of 5 m. its potential energy has changed by approximately how much? a. it has increased by 200 j. b. it has increased by 20 j. c. it has decreased by 20 j. d. it has decreased by 200 j.

Both independent and dependent clauses

Which of the choices are parts of an atom? select all that apply. a.) compound b.) electron c.) neutron d.) molecule e.) photon f.) proton g.) element

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