Isotopes have the same but have a new atomic mass because they * number of electrons; have more or less neutrons number of protons; have more or less neutrons number of protons; have more or less electrons number of electrons; have more or less protons

When an object falls through the air and encounters air resistance its overall speed will be than if it had not encountered air resistance? (one word answer)

If you add 10ml of hot water to 10ml of cold water and the change in tempature 8°c calculate how much energy is gained by the cold water

Scientific evidence tells us that the cause of earths four season is the tilt of earth as it revolves around the sun. the student is instructed to illustrate this information in a science notebook. how will the student illiterate winter in the northern hemisphere?