If your mass is 45 kg what weight of water is to displaced by you to float in water why

What do you think car designers do if the damage caused by a crash test is too severe?

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

If the area of a square has increased by a factor of 16, by how much has each side increased?