Hacktag17 Hacktag17

15-10-2019
Geography

contestada

Rocks in the Earth's mantle contain a higher percentage of _ and _ than do rocks in the Earth's crust.

A.
silicon and oxygen
B.
iron and magnesium
C.
magnesium and oxygen
D.
iron and silicon

Respuesta :

tayciem tayciem

15-10-2019

Answer:

B. iron and magnesium

Explanation:

Answer Link

hargooni hargooni

16-10-2019

The mantle under the crust is about 1,800 miles deep (2,890 km). It is composed mostly of silicate rocks rich in magnesium and iron.

Answer Link

Otras preguntas

Choose all the examples that require measuring the area. Answer options: A.the space the bottom of a tent takes up B.the distance around the outside of a tent

PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!! Factor x^2 + 25 in the complex numbers.

Who entered the presidential election of 1968 as a third-party candidate? (A.) Hubert Humphrey (B.) Lyndon B. Johnson (C.) Richard Nixon (D.) George Wallace

Cell membranes are made up partly of fats.What type of macromolecules are fats?A.)lipidsB.)carbohydratesC.)nucleic acidsD.)proteinsIt is NOT Spanish it isbiolo

use an appropriate technology to simulate 35 rolls of a six sided number cube according to this data,what is the experimental probability of a roll of 3? what i

Which statement describes plant like protists ? A- plant like protists are all green. B- plant like protists are all unicellular. C- plant like protists are all

To date, 191 countries—not including the u.s.—are party to which agreement intended to reduce global emissions of heat-trapped gases?

A burglar is caught in the middle of burglarizing a residential home of a well-known area muslim imam (priest). as the burglar runs from the scene of the crime,

How many points are coplanar with a b and r?

In a short story, a young boy plays in the same meadow many times during his childhood. He and his friends feel that the meadow is a magical place where they ca