Rami uses a disposable camera that has a flash. when he wants to take a picture, he holds a button and hears a rising whining sound. when a small light glows, the flash is ready. he presses the shutter button, the flash lights up, and he takes his picture.
which statement best describes how a capacitor is useful in the camera?
it protects the circuits from a burst of energy by storing charge.
it protects the circuits from a steady current by storing charge.
it stores energy and delivers it in a short burst.
it stores energy and delivers it in a steady current.

If a tank filled with water contains a block and the height of the water above point a within the block is 0.8 meter, what is the pressure at point a?

You want to lose weight and have been trying to decide which type of fad diet is best for you. you ask your doctor, who responds that a. fad diets are a temporary fix but generally don't have any side effects b. fad diets can be used several times a year to maintain a healthy weight c. fad diets can be risky for your health and, in the long run, do not work d. fad diets should never be used one right after the other; there should be a break between them select the best answer from the choices provided. a b c d

In 1859, charles darwin published the first edition of on the origin of species, which explained his observations of various groups of animals that showed great similarities but minor differences. darwin concluded that if a population of one species separates into two different populations that live in separate locations, then over the course of many generations the different populations can develop into different species. this idea predicted many future biological findings and became the basis of modern biology. darwin’s explanation for why different species exist is best described as a(n) law. theory. inquiry. hypothesis.