A) distance and period of time
The speed of an object is equal to the distance it travels divided by the amount of time it takes to travel the distance.
This measures the average speed
Let's look at Newton's second law
Force is directly proportional towards mass
If mass is more force will be more.
Between baseball and bowling ball Bowling ball has higher mass
So it would expert most force
Option D
B- lack of control.
the scientists did not have a proper control group.
The answer is b) venus because the period rotation is also referred to as a day so if venus’ period of rotation is 243 [earth] days and its year is 225 [earth] days, then the period of rotation is longer.