A topographical map shows elevation
Answer: C) The political system
Explanation:
The political system helped to end the de-jure segregation as, it is occurred in the matter of the circumstances and on the law bases. It is basically referred as the legal separation in the society and the civil rights act are also contributed in the ending of the de jure segregation. The de facto segregation are not legally separated but it is distributed with each other.
Connected to what? You need to be a little more specific
Answer:
Pollutants are responsible for creating an imbalance of the substances that leads to a negative impact in a particular part of the earth like air, water, soil, noise, and more.
Primary pollutants are the pollutants that are directly generated from their sources such as activities by humans like air and water pollutants from the car, from ships, that affects the organs of humans like lungs, eyes, stomach and reduces our immune system and our life. Indirectly affect us. In the environment, they increase toxic substances in high amounts that cause various negative impacts.
Secondary pollutants form due to the reacting of primary pollutants and natural resources. Acid rain is an example of the secondary pollutant result which is formed due to dissolved sulphuric acid in rainwater. It also affects the skin of humans and affects the environment by increasing acidity to soil and water.