A sound frequency 100Hz and wavelength 3.34m is travelling through air, calculate the Velocity of sound in air.

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.

Which statement best describes what energy transfer diagrams show? energy can change form, but the total amount of energy stays the same. every energy transformation results in a reduction of energy energy transformations result in fewer types of energy each type of energy can change into one other type of energy

Atemperature of 50°f is equal to °c.