1. true or false; gravity is responsible for planet formation. 2. true or false; newton's universal law of gravitation states that two objects always sometimes  a gravitational force on each other. 3. true or false?   gravity is different on different planets.

cramming before a final is bad because it makes a student's stress level higher. students who embrace cramming to get through a final exam week find themselves struggling to perform consistently, once the brain adjusts to prolonged sleep deprivation.

the answer is 1. photosynthesis. glad to