Look at the four devices below. flashlight
lawn mower
solar calculator
desk lamp
Which device uses light as it's source on energy? ty if youhelp

There are six elements that make up most of the human body. which of the following is not one of these six elements?

Which of the following are false concerning microbes? a. microbes generate oxygen through photosynthesis.b. the primary role of microbes on the planet involves causing disease in animals and humans.c. microbes produce vitamins in the intestines.d. microbes play a role in breaking down waste and decomposing dead organisms.

In this case, the statement that people who exercise for an hour may have lower cholesterol levels is .