Answer:
man-made chemicals
like cars,air conditioner, refrigerators,ect
They are more related to fish. 1. They both live in water. 2. Both are vertebrates. 3. Both have an internal skeleton.
Answer:

Explanation:
As per the Newton's first law of motion,

where "v" is the final speed
"u" is the initial speed
"a" is the acceleration
and "t" is the time taken
Substituting the given values in above equation, we get -

The cart be traveling at a speed of
by the time it reaches level ground.