Is the potential energy of the roller coaster elastic or gravitational? Question 3 options: both gravitational elastic neither help quickk ill give brainleist

Explain two reasons you think it is important for scientists to search for new ways to treat cancer

Twin boys have girlfriends one of the couples have a baby would the dna of the lil baby be the same as the couples dna bc the boys are identical twins

Identify characteristics of energy from the sun. check all that apply. almost all of the energy on earth comes from the sun. energy from the sun is known as mechanical energy. the energy in fossil fuels originally came from the sun. plants convert the energy of sunlight into chemical energy.