Acertain refrigerator has a cop of 5.00. when the refrigerator is running, its power input is 500 w. a sample of water of mass 500 g and temperature 20.0 ºc is placed in the freezer compartment. how long does it take to freeze the water to ice at 0ºc?

if you answer my question i will answer yours

the total distance that martina travels that day is

(distance from home to mom's office) plus (distance from mom's office to school)

plus (distance from school to library) plus (distance from library to friend's house)

plus (distance from friend's house to martina's house).

(we don't know what any of these distance actually is.)

the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.