Student 1’s methods would be more accurate, because the student would control more factors. Only one variable at a time (either temperature or acidity) would be tested on each group of worms. On the other hand, Student 2 is testing both factors on all the worms, which could make the results unclear.
Answer:
The growth of the plants is the dependent variable, the stuff added to each plant is the independent variable, the plants that don't receive treatment/other stuff are control variables.
Answer:
I feel like it's D
Explanation:
Because Coral can't survive at 2C so this mean that theres nothing to stop curants hitting the shores and so ye that or it's A hope this helps :3