In the circle, the measure of \angle GHJ=90˚∠GHJ=90˚and GH=20GH=20 units long. Find the length of arc JGJG. Round your answer to the nearest tenth.

Someone, part 1: which compound does c represent? part 2: name a process that could release this compound into the air. part 3: explain how the elements that form it are conserved during the carbon cycle. use complete sentences to explain your answer. justify how this compound was created from a recycling of carbon in the carbon cycle. use complete sentences to explain your answer.

In an exothermic reaction the bonding energy of the product is: less than the reactants same as the reactants greater than the reactants dependent upon the presence of a catalyst

Use examples from the article to explain one positive and one negative effect that chemistry has had on society.