Answer: To help researchers conclude that results are related to the new drug and not to the orange juice.
Explanation:
I could be wrong, Hope this helps
They Are Called Sound Waves.
This is what lets our ears hear "Listen" To noise
i hope this helps you
Answer:
hey there is no diagram you were supposed to attach it with a document
Answer:Density is a characteristic property of a substance. ... The mass of atoms, their size, and how they are arranged determine the density of a substance. Density equals the mass of the substance divided by its volume; D = m/v. Objects with the same volume but different mass have different densities.
Explanation:
