how many divisions are there in celsiuos, fahrenheit and kelvin temperature scales between melting and boiling point​

Find the vertex(use the completing the square method), findthe x- and y-intercepts, and sketch the graph offunction. y = 2x2 + 4x - 1

Describe different biomes. what are some adaptations that organisms (plants or animals) must have to live in each biome?

Exercise 2. find the wavelength of a photon emitted when an electron jumps from the n = 3 energy level down to the n = 2 energy level. where is this photon in the electromagnetic spectrum?