sujishavickus sujishavickus

04-06-2016
Chemistry

contestada

Beaches along the eastern and western coasts of North America are composed chiefly of quartz grains.
a. True
b. False

Respuesta :

taskmasters taskmasters

06-06-2016

I think the answer is true. These beaches are composed mostly with sandstone which is mainly sand-sized minerals. These grains is made up of quartz and feldspar since these are the most common mineral found in Earth.

Answer Link

Otras preguntas

can a chemical reaction take place without enzyme

Write a detailed paragraph that explains the use of narrative volces in "The Way to Wealth"; include various methods of presentation from that time period.

Expand & simplify 3(t+5)+5(t−6)

How many moles are in 24 g of carbon

3 erasers cost $4.41. Write a proportion that would solve for the cost of 4 erasers.

Approximately 50% of our bone is chemically calcium phosphate, Ca3(PO4)2 If an adult has 12 kg of bone, calculate the mass of calcium is present

Which answers describe the shape below? (MULTIPLE ANSWERS)(Picture above)A. Quadrilateral B. ParallelogramC. Rectangle D. Trapezoid E. RhombusF. Square

Solve the following system of equations. -7x+5y=-11; -4x+3y= -7

Out of 310 racers who started the marathon, 289 completed the race, 18 gave up, and 3 were disqualified. What percentage did not complet

50 people were asked if they speak French or German or Spanish. Of these people, 31 speak French 2 speak French, German and Spanish 4 speak French and Spanish b