Which of these objects converts light to chemical energy?.

Astore sells four 118-pound ears of corn in a package for $3.59. the expression 3.59p represents the cost of the corn for a number of packages. what does the variable p represent?

Which of the following always exist between two objects having mass ● elastic force ● contact force ●gravitational force ●magnetic force

When amy exercises in her fitness center for 1 hr she burns a total of 475 calories.if she burns 9 calories a minute jogging on the treadmill and then burns 6.5 calories a minute pedaling on the stationary bicycle how many minutes of the hour does she spend exercising on the bicycle?