Answer:
last one
they can contain mercury that is Very harmful to humans
Explanation:
aam= 90%•20amu+10%•22amu/100
aam= 2020/100
aam= 20.2
Answer:
D. Carbon.
Explanation:
Carbon can be mixed with Many things. for example, YOU are mostly made out of carbon. Other things include furniture, clothing, plastics, charcoal, pencil led, diamonds, and gas.
Answer:
true trust ong gotta be true fff
