Predict what the Co, levels will be when you are "old". How many plants/trees need to be planted now to keep carbon dioxide in the atmosphere at its current level or lower?

In a chemical reaction at equilibrium, the rate of the forward reaction the rate of the reverse reaction. if the rate of the forward reaction more products are formed.

4. a 20-kg child is tossed up into the air by her parent. the child is 2 meters off the ground traveling 5 m/s. circle one: ke / gpe / both show your work for finding the values of each type of energy the object has:

Air can be considered a mixture. which statement does not explain why?