Greenland
Mexico
United States
According to Newton's laws of physics, gravity depends on mass anddistance. How strong gravity is depends on the attractive force between two objects.
Answer:
A pollutant that develops after a chemical reaction occurs with chemicals normally present in the atmosphere
Explanation:
Secondary pollutants are not usually formed or emitted from the normal sources we know like vehicles. They're formed in the atmosphere from combination of some chemicals with primary pollutants, example of secondary pollutant is ozone, which is the reaction of hydrocarbons and nitrogen oxides.
Answer:
A pollutant that develops after a chemical reaction with chemicals normally present in the atmosphere.
Explanation: A pollutant is any substance that pollutes something
Pollutants can either be primary or secondary.
A secondary pollutant is a pollutant thay has no direct source. It is a pollutant that forms in the atmosphere.
They include photochemical oxidants and secondary particulate matter.
B- philippines
C- laos
D- Thailand