Amachinist with normal vision has a near point at 25 cm. this machinist wears +4.25-diopter eyeglasses in order to do very close work. with these eyeglasses, what is the near point of the machinist? assume that he wears the glasses extremely close to his eyes.

Aplane travels 1000 miles in 5 hours .what is the planes average speed?

Difference between natural and artifical magnet

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.