They help scientists understand complex ideas and objects that aren’t easy to handle.
Answer:
Dna is a molecule. It carries hereditary information. It is located in the chromosomes.
Answer: the conversion of nitrogen gas into a usable form
Explanation: its a process that bacteria converts nitrogen gas into a usable form
10.92N
Force = mass x acceleration
4.2kg x 1.6m/s^2 = 10.92N