The bright lines visible in the emission spectrum of an element represent? A. the energy released by electrons falling back to a ground state.

B. the colors seen when the element is viewed through a prism at room temperature.

C. the number of protons and neutrons present in the nucleus of the atom.

D. Other:

An asteroid is discovered in a nearly circular orbit around the sun, with an orbital radius that is 2.47 times earth's. what is the asteroid's orbital period, its "year," in terms of earth years?

Herbivores, carnivores, and omnivores are all types a. decomposers b. producers c. consumers d. biomes

Agroup of monkeys is trying to cross the river in a rowboat. the maximum buoyant force on the rowboat is 2,000 n. the weight of the rowboat is 1,000 n. each monkey has a weight of 150 n. how many monkeys can safely cross in the rowboat at one time? explain your reasoning, including any calculations you used to find the answer.