Explanation:
it is made up of more than one simple machine...think compound sentences are multiple simple sentences together so compound machines are multiple simple machines together
Answer:
the branch of science concerned with classification, especially of organisms; systematics.
Explanation:
Answer:
Harmful
Explanation:
When you have an autoimmune disorder, your immune system does not distinguish between healthy tissue and potentially harmful antigens.
D Pastureland - Grazing Livestock
