It’s A.
They do make observations and perform experiments.
They make multiple experiments and for the experiments, they record the data collected.
Answer:
Gravity
Explanation:
All matter exerts a force, which is called , that pulls all other matter towards its center. The strength of the force depends on the mass of the object: the Sun has more gravity than Earth, which in turn has more gravity than an apple. Also, the force weakens with distance. Objects far from the Sun won’t be influenced by its gravity.
Answer:C
Explanation:oxygen,light,and glucose combine to produce high energy molecules
