22-01-2019
Biology

contestada

What is coal composed of?

Respuesta :

campbell334 campbell334

22-01-2019

Coal is a combustible black or brownish-black sedimentary rock, formed as rock strata called coal seams. Coal is mostly carbon with variable amounts of other elements; chiefly hydrogen, sulfur, oxygen, and nitrogen. Hope this helps.

Answer Link

lilblakey69 lilblakey69

22-01-2019

Coal is a combustible black or brownish-black sedimentary rock, formed as rock strata called coal seams.

Answer Link

Otras preguntas

Two electronics students are discussing electrical units. Student A says that electrical power is measured in units called coulombs. Student B says that the abb

Read the excerpt, and then answer the question. "Mr. Gray was thirty-eight, and tall and slender…unsentimental, and with that kind of trim-chiseled face that ju

The fossil of a plant reveals that it produced spores that were used for reproduction. Which type of plant was it?

Who is responsible for developing a firm's mission?

HELP ME ASAP this religion believes that the way to stop suffering is to stop desire A)Buddhism B) Judaism C)Hinduism D)Jainism sorry for the bad spelling

3.19 divided by 3 give all steps

Donald is a 35-year-old man with schizophrenia. he has struggled with mental illness since childhood, when he had anxiety and impaired judgment. he began experi

Numerical age is the age of a rock or geological feature in years. a. true b. false

Te gustaría ir a la ciudad deportiva de Ivan Zamorano? Por qué

A student is bouncing on a trampoline. at her highest point, her feet are 65 cm above the trampoline. when she lands, the trampoline sags 15 cm before propellin