Cindy runs 2 km every morning. she takes 2 minutes for the first 250 meters, 4 minutes for the next $1, 000 meters, one minute for the next 350 meters, and three minutes for the rest. cindy's average speed for the entire run is meters per minute. 1 km is the same as 1000.

Which of the following statements about acidic water is true? a. acid has no effect on the h,o molecules. b. the solution contains a larger number of oh ions than h,o ions. c. the solution contains a larger number of h,o ions than qh ions. d. the solution contains an equal number of h,o ions and oh ions. none of the above e.

What is the independent variable in this investigation? mass volume sample number substance density

Ants live on acacia trees in south america. the ants feed on sugars secreted by the trees. the trees provide room for the ants to live. the ants sting any other insect or animal that comes to eat the trees. what type of relationship is this?