Answer is It can be used by scientists everywhere and everything.
Answer:
the answer would be D
Explanation:
it says that mono is caused by a virus that is transferred through direct contact, so it can be classified as an infectious disease. This would prevent A, B, and C from being adequet answers, because those all support reasons for mono to be a noninfectious disease.
Answer:
oxygen diffuses to the cappilaries that are covering the alveoli in the lungs
Explanation:
When you say small dissolved particles I am going to say endocytosis.