Answer:
There is a big public park near a manufacturing factory that emits harmful gases, where his children can play.
Explanation:
It's pretty self explanatory. Harmful gases are harmful. The children are in serious danger by playing in that park and inhaling these gases from the factory.
A magma's viscosity is directly related to its
SILICA CONTENT
I'd say D, as we don't affect the earth as we get more of it.
To learn when you grow up you might have to know about to get the job