Answer:
B
Explanation:
The experimental drug has a direct effect on the dependent variable which is the presence of the headache.
Answer:
the correct answer is option ( B )
Answer:
True, bones
Explanation:
The first one is kind of like common sense I guess
The second one is bones because, one, I've learned this before, and two, have you ever seen those ads where the guy tells you to drink milk because milk strengthens bones? Well, milk is calcium.
I think that the best answer here would be:
the diaphragm
