I believe the answer is: <span>education levels among women increase.
Studies show that as educations levels among women increase, the awareness of the hardship that they might encountered when they're having too many children (or too early) started to increase. This could lead to small number of newborns and lead to zero population growth.</span>
I know this for 100% it is A. they're convenient , I know this one for sure 100% positive hope it helps
This quote, if from the correct source, means that "<span>D. Running makes the speaker very happy" It also means that the speaker puts forth this happiness through the act of running. </span>
Air pollution is when unwanted chemicals and poisonous substances are added to air, making it harmful to most organisms such as humans, plants, animals, etc... and even the atmosphere.
By different human activities, we add a lot
of smoke and dust into the air.
The biggest cause of air pollution is the use of fossil fuels.
These are mainly coal, petrol/diesel, and natural gas.
For example, if you have been in the car before and are stuck in traffic,
you will see fumes coming out of many vehicles.
These fumes are poisonous gasses that make the air polluted.
<em>Apartheid laws</em>. There was some truly horrific racial segregation going on in South Africa until fairly recently in its history, many South Africans still live with its legacy. Colonialism and imperialism had far-reaching and nearly universally negative consequences on the African Continent, not least of which being its ideas of racial superiority/inferiority.
