Describe two ways that race cars produce waste answers

The correct answer is:  

1. Pollution over the environment.  

2. Removing the waste contributing to human health.

The race cares is contributing in generation of the waste that is leading to add pollution in the environment. Generation of oil and gasoline will add production to atmosphere in the form of toxic set of chemicals that can result into cancer and kidney issues.  

i have to report this, it doesn't relate to biology

hydrogen is a compound or a single element and a element is a pure substence that cannot be separated into simpler subtances

clorine is a compound its a chemical substance that forms when two or more different elements combine

so both hydrogen and clorine are compounds