A green light has a wavelength of 485 nm.
What is its frequency? (1 nanometer is 10-9 m)

Urgent pls a. coal consumption levels off and remains flat. b. petroleum, natural gas, and renewables show an increase in consumption c. more nonrenewable resources continued to be consumed than renewable. d. there is little projected increase in nuclear energy use. e. carbon dioxide emissions are projected to decline as we approach 2040. global energy consumption is defined as the total energy used by an individual or organizations from around the world. use the graph above to analyze the projected energy consumption from now until 2040. which statements in the prompt apply? a) a, b, d b) b, c, d c) a, c, d d) a, b, c, d

What happens when the number of protons in an atom changes

Aplane's average speed between two cities is 600 km/h. if the trip takes 2.5 hours, how far does the plane fly?