If a car can go from 20m/s to 40m/s in 4.0 secs, what would be it’s acceleration?

The respiratory system removes oxygen and water from the body. select the best answer from the choices provided t f

How many neutrons does element x if it’s atomic number is 28 and its mass number is 87

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