Which best describes the moon’s regolith?
a. weathered rock and organic material
b. dust and rocks
c. water and small organisms
d. ice and gas

The correct option is B. Regolith is a layer of loose, heterogenous material covering solid rock. It include soil, dust, broken rock and other related materials and can be found in the earth, some asteroids, mars, moon and other terestial planet. Moon regolith occurs as a mixture of powdery dust and broken rocks.

The radiation of the fire causes the saucepan to heat up. the conduction of the saucepan then to distribute the heat over the saucepan and to give heat to the water. the convection of the water distributing the heat within the water, till all the water is boiling