30 grams of radioactive isotope have passed.
Answer:
pretty sure its B if it isnt im so so sorry
Explanation:
The <span>stream's discharge
The volume of water to pass a given point on a stream bank per unit of time, usually expressed in cubic meters of water per second. </span>
Answer:
dolphin= 7 meters/1 second walrus= 5 meters/1 second
Explanation:
56 divided by 8 is 7
30 diviided by 6 is 5