Answer:
A. Producing certain synthetic materials could have a greater environmental impact than disposing of them.
Explanation
I just did this question and got it right.
Answer:
well what I think is that C is the correct answer
Answer:
The atoms share some of their outer electrons so that each atom has a stable noble gas arrangement.
Explanation:
T=20 min
m₀=200 g
t=60 min
the mass of element through time t is:
m=m₀*2^(-t/T)
m=200*2^(-60/20)=25 g
25 grams of element will be left after 60 minutes
Explanation:
Decantation is a process for the separation of mixtures of immiscible liquids or of a liquid and a solid mixture such as a suspension.
Source: https://en.m.wikipedia.org/wiki/Decantation
