Which of the following can be studied by science? O A. The mass of a dwarf planet
OB. The popularity of a new video game
O C. The name of a hurricane
O D. The beauty of the Grand Canyon

Which is the best for showing percentages of different types of cars sold(gas hybrid , electric , other ) in the united states ?

An object has a weight of 500 on earth what is the mass of this object

Which best describes how fluids change as they travel through different portions of the convection currents? they change to solids at the outer portion of the convection currents. they change to solids at the inner portion of the convection currents. they become more dense at the outer portion of the convection currents. they become more dense at the inner portion of the convection currents