If you increase the mass of the sun to 1.5 times its mass, what would happen to the Earth's orbit? Group of answer choices

It stays circular but speeds up.

It gets more elliptical and moves faster as it gets closer to the sun.

It remains circular and stay about the same speed.

It gets more elliptical and moves more slowly as it gets closer to the sun.

What causes the development of most clouds and precipitation in the atmosphere?

In which situation is the acceleration of a car negative? question 5 options: a)the velocity of a car was 75 km/hr over 4 hours. b)the velocity of a car reduced from 50 km/hr over one minute. c)the velocity of a car increased from 40 km. h to 75 km/h over 15 minutes. d)the velocity of a car was 45 km/hr at 2: 00pm and at 4: 00pm its velocity was 85 km/ht.

What practical value did astronomy offer to ancient civilizations?