Answer:
C
Explanation:
Because the student is observing the effects on the population, so it would make more sense to add more fish to the tanks to see how they would get effected.
The answer is A is you agree no problem im here to help if you disagree its ok i tried my best to help just saying
Answer:
Hey sorry but I also need this answer
Explanation:
please let me know if you get it !
Answer:
It was Discovered on May 20, 1964, By American radio astronomers Robert Wilson and Arno Penzias discovered the cosmic microwave background radiation (CMB), the ancient light that began saturating the universe 380,000 years after its creation.
Explanation: