Answer:
-15x-6
Explanation:
Combine like terms: -9x + -6x is -15x. 7+ -13 is -6
I found that from April to mid-June there's an increase in the ground level ozone which creates smog (smog is created by the emissions from vehicles and smokestacks when they come in direct with sunlight.)
Nitrogen Dioxide (NO2) It comes factories, old cars from the 1900s, etc. it is a poisonous gas that comes from old engines can when breathed into the human body it can cause loss of fatigue, restlessness, anxiety, etc.. When it is released it gets stuck into the atmosphere but still gets stuck into the air but a small amount so little it can't harm large number of humans or animals.
Answer:
The correct answer is c.
Explanation:
P.S - The exact question is as follows :
The correct answer is c.
They claimed to be direct descendants of war god.
a model of the Solar System in which the Earth and planets revolved around the Sun,