Answer: Scientific observation
Explanation:
The reason for this is, Ben is observing the plants, coming up with questions.
<span>the intellectual and practical activity encompassing the systematic study of the structure and behavior of the physical and natural world through observation and experiment.
</span>
i believe the answer is b radioactive nucleotide
According to the PHS, the term "significant financial interest" includes royalty income paid to an investigator except if that income is from the investigator's current employing institution.
A) Active transport
Osmosis - active transport - substances move from low to high concentration