How do humans impact a schoolyard?

How many times has amnesty been granted to illegal immigrants in the US? Who pays for the recycling of plastic? Is cattle renewable or nonrenewable? Is child labor important? Is Kairouan polluted? How do you reduce pollution of human settlement? What is 16 increased by 5 times x? What is an advantage of wrapping wires in plastic rather than paper or cloth? How do floods affect the environment? Do bullies just bully people smaller than them? When did Malcolm X get out of prison? You want more effects of over utilisation of natural resources? What human activities have caused destruction of the Amazon rainforest? What is large scale power pollution? Why would a country reduce immigration? What was the cause of suns revolutionary alliance to overthrow the qing dynasty? Where do you find class of admission on permanent resident card? Who inspired Nick Mackman? Why did SNCC invite Malcolm X to speak in Selma? How do you solve noise pollution at school?