B An ecosystem because it is i dont know how to explain but i think is that one
Some ways in which communicable diseases spread are by: physical contact with an infected person, such as through touch (staphylococcus), sexual intercourse (gonorrhea, HIV), fecal/oral transmission (hepatitis A), or droplets (influenza, TB) travel through the air, such as tuberculosis or measles.
The component would be known as a microfiber i think im not sure
<span>B. more energy than radio waves and microwaves.</span><span>
Hope this helps!
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