What is science? Plz help I cant find a answer thats not really complicated and i have to fit it within 3 sentences.

6–43 a food department is kept at 2128c by a refrigerator in an environment at 308c. the total heat gain to the food department is estimated to be 3300 kj/h and the heat rejection in the condenser is 4800 kj/h. determine the power input to the compressor, in kw and the cop of the refrigerator.

On average 8 bananas make up one pound. the price is four pounds for 5.00. you must buy 25 bananas.what is your cost?

Notice how they put future which of the clouds shown would indicate a possible future rain storm? a) b) c) d)