If you’re trying to figure out if it’s true or false it’s true
The possibility to answer is C.
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.
Im like 98% sure its B because ultra sounds hear the frequency's of the baby in the womb
