Chemistry, 01.02.2020 06:45, unknown9263

Which best describes how igneous rocks are formed?

a.
layers of dirt and other rocks are pressed together to form igneous rocks.

b.
molten material in the earth cools and hardens to form igneous rocks.

c.
elements in the earth form igneous solids with crystals.

d.
wind erodes mountains into small igneous rocks.

Answers: 1

Show answers

Other questions on the subject: Chemistry

Chemistry, 21.06.2019 18:00, FloweyFlower

Aballoon inflated with three breaths of air has a volume of 1.7 l. at the same temperature and pressure, what is the volume of the balloon if five more same-sized breaths are added to the balloon? a balloon inflated with three breaths of air has a volume of 1.7 l. at the same temperature and pressure, what is the volume of the balloon if five more same-sized breaths are added to the balloon?

Answers: 3

continue

Chemistry, 22.06.2019 00:10, bossboybaker

Select the correct answer. which phrase correctly describes temperature? o a. average rotational kinetic energy of the particles in an object o b. average energy of the particles in an object c. average translational kinetic energy of the particles in an object od. all energy possessed by the particles in an object

Answers: 1

continue

Chemistry, 22.06.2019 12:10, kaitlynbernatz2778

If a molecule with a molecular formula of c13h18 is treated with an excess of h2 in the presence of finally divided pt metal under conditions required for maximum hydrogenation of the molecule to give a molecule with a formula c13h24, how many rings are in the molecule?

Answers: 3

continue

Chemistry, 22.06.2019 14:00, jivsf

The two naturally occurring isotopes of chlorine are 35cl (34.969 amu, 75.77%) and 37cl (36.966 amu, 24.23%). the two naturally occurring isotopes of bromine are 79br (78.918 rm amu, 50.69%) and 81br (80.916 amu, 49.31%). chlorine and bromine combine to form bromine monochloride, brcl. 1. how many peaks will be present in a mass spectrum for brcl? the four combinations of molecule possible given these four isotopes are: 81br37cl, 81br35cl, 79br37cl, and 79br35cl. 2. what are the masses of the four different brcl molecules? express the masses using six significant figures, in decreasing numeric order (highest to lowest), separated by commas.

Answers: 3

continue

Do you know the correct answer?

Which best describes how igneous rocks are formed?

a.
layers of dirt and other ro...