Answer:
I would say the second one.
Explanation:
I'm sorry if it's wrong
<span>The 1-kg ball accelerates twice as much as the 2-kg ball.</span>
A concentration.
In cells, there are two types of transportation of needed organic compounds. The active and passive transport.
The active transport requires energy or ATP while passive doesn't. Further, diffusion, a passive transport transfers compounds from higher to lower concentrations.
The best way to do a observation can be a microscope or by taking notes ,and by , taking pictures or, asking questions about the subject that you and the teacher or you, your teacher and the class is talking about .! Hope this helps ..