Hailey did 10 sets of sprints. When she relaxed afterward, her muscles started to feel sore. Which of the following best explains what was built up in her muscles?

energy from cellular respiration
lactic acid from anaerobic respiration
alcohol from fermentation
carbon dioxide from cellular respiration

When coal has reached it hardest, darkest form, it is called select one: 0 a. sub-bituminous b. lignite c. bituminous d. antrhacite next page

Looking at this image, what relationship can be drawn from it? the lower the degree of latitude, the lower the degree of temperature there is no relationship between latitude and temperature the higher the degree of latitude, the higher the degree of temperature the lower the degree of latitude, the higher the degree of temperature

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water