According to scientific data on climate change, what levels have risen by 30% over the past 200 years?
a. ozone
b. argon
c. carbon dioxide
d. krypton

When an object falls through the air and encounters air resistance its overall speed will be than if it had not encountered air resistance? (one word answer)

For each of the following compounds, write the formula then predict whether it would be a strong, weak, or non-electrolyte when placed in di water. for the ionic compounds only, put (s) or (aq) after the forrmula formula strong, weak or non electrolyte? a calcium hydroxide b. silver carbonate c. lead(ii) sulfate d. phosphorus trifluoride e. sodium phosphide f barium sulfate g. strontium acetate h. zinc nitrate

The biosphere of the earth is made up of what compound? organic or inorganic?