Which of the following is a mixture?

alcohol

water

mercury

ink

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.

Concentrations expressed as a percent by mass are useful when the solute is a a. liquid b. gas c. solid

Suppose you increase your walking speed from 7 m/s to 15 m/s in a period of 1 s. what is your acceleration?