The two laws that best explain how the planets are able to stay in orbit about the sun are kepler's 1st and 2nd laws of planetary motion kepler's law of ellipses and newton's law of inertia newton's laws of gravity and inertia newton's 2nd and 3rd laws of motion

C.) Newton's laws of gravity and inertia. Is the correct answer.

he is very short, and he can only reach halfway up on the elevator buttons. but on a rainy day, he has his umbrella with him, and he uses it to poke the button at the top.

image result for how many calories of energy will 20 grams of carbohydrates provide in one gram provides 4 calories

consuming the right balance of protein, carbohydrates and fat can you maintain a healthy weight and optimize your energy levels. protein and carbohydrates both contain 4 calories per gram, while fat provides 9 calories per gram.