When cars get older or are poorly maintained, they tend to leak oil onto roadways and parking lots. This oil is washed into the nearest waterway with the next rainfall. What type of water pollution does this cause? * a. toxic
B. sediment

May someone me with these science questions

Which of the following changes will decrease the total amount of gaseous solute able to be dissolved in a liter of liquid water? (2 points) decreasing temperature decreasing pressure decreasing surface area decreasing solute concentration

Apound is approximately 0.45 kilogram. a persons weighs 87 kilograms. what is the persons’s weight, in pounds, when expressed to the correct number of significant figures