Answer:
it's C. :)) u wanna explanation??
Answer:
see below
Step-by-step explanation:
1 1
--- - --------
n n+1
Get a common denominator
1(n+1) 1(n)
---------- - --------
n(n+1) (n+1)n
n+1 - n
-----------------
n(n+1)
1
-----------------
n(n+1)
Separate into two fractions
1 1
---- * ------
n n+1
Answer:
Chemicals in plastic-like lead, cadmium and mercury directly can come in contact with the humans. These toxins can cause cancers, congenital disabilities, immune system problems and childhood development issues. The other toxins like BPA or health-bisphenol-A are found in plastic bottles and food packaging materials.
Step-by-step explanation:
I can only give you little bit cause writing an essay is to much
