Answer:
D
Explanation:
I believe the answer is D.
Yes it is polluting the river with everything the manufaturing plant gives off such as the chemicals released in the air
%(NaHCO3)= ((mass NaHCO3)/(mass NaHCO3 + mass water))*100%
m=Volume*Density
Density of water =1 g/ml
m(water) = Volume(water)*Density(water) = 600.0 ml * 1g/ml=600g water
%(NaHCO3)= ((20.0 g)/(20.0 g + 600 g))*100%=0.0323*100%=32.3%
Answer: A
Explanation:
Extreme weather events follow normal climate patterns.
The answer is -1. 2 subtraction signs next to each other for an addition sign
