Easy question

question 3(multiple choice worth 4 points)
(01.06 mc)

which situation shows where potential energy and kinetic energy are balanced?

a stopped bicycle
a roller coaster car going uphill
a car moving at a steady speed
a runner slowing down

The transport tubes from food came down the plant are called?

Which best describes the nucleus of an atom a. it is where all of the particle s of the atom are located b. it is the negatively charged part of the atom c. it is where the electrons and the protons are located d. it is the part of the atom with the greatest mass

Which group of molecules are targeted by the kinases in order to control this movement