Which of the following is a common feature among the four inner planets?

atmosphere composition
distance from the sun
rocky surface
temp range

Karen is running forward at a speed of 9 m/s. she tosses her sweaty headband backward at a speed of 20 m/s. the speed of the headband, to the nearest whole number relative to a stationary observer watching karen

What object a collides with object b and bounces back its final momentum is?

Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?