Sand is composed mostly of ____ and is used to make glass, bricks, and concrete for the construction of roads and buildings.

a steep reduction is memory available on the heap to the poiont where it is completly exhausted is known as a does anyone know the answer? Whats 1 + 1 many half a window When does osteogenesis begin? Is ( - 1, 2) a solution of the system y > x and x + y > 0?O No, because ( - 1, 2) is a solution to only one of these inequalities.O Yes, because ( 1, 2) is a solution to both inequalities.O Yes, because ( - 1, 2) is the point of intersection of the two boundary lines of this system.No, because ( 1, 2) is not a solution to either inequality. Question in on picture attached Add CLEAR and LOGICAL reasoning please Was locating a manufacturing facility in the United States a hood business move for Kia Simplify the expression 4(x-5) / 2a. 8x - 40b. 2x -C. 5x - 20d. 2x - 10HELP PLZZZZZZ What is the slope of the line shown in the graph? Why did the United States go to war with Iraq?A) Iraqs leader, Saddam Hussein, formed an alliance with the leaders of Iran and the two countries began to deny their citizens their basic human rights.B) The Iraqi army, with help from al Qaeda terrorists, attacked Americas allies in the Middle East and western Europe.C) The Iraqi government helped to plan and fund the terrorist attacks of September 11, 2001.D) A group of nations, led by America, believed that Iraq had weapons of mass destruction and was a threat to global peace. If h(x)=5x+7, then h(x) has a zero at which of the following values? (1) -5(2) 7(3) -1.4 Given that a + b = 2 and that a + b2=6, prove that 2ab = -2. Find also the value of (a - b)? Hi! , im looking for some help here. ill give brainliest if able to. pls put effort into answering this question Rural hospitals that have suffered the most have been those ______. Discuss how the propagandists were able to send their views and demands to the Spanish people. the sciatic nerve is a combination of which two nerves? What is the largest integer that can be represented with 4 bits?. a college student is saving money to buy a laptop. the student has $85 saved and saves $35 each week. The function a(t)=35t + 85 represents the amount of money the college student has saved for the laptop after t weeks. The student receives $50 as a birthday gift . If the function f(t) = a(t) +50 represents the total amount the student has saved , which best describes the transformation from a(t) to f(t)? 3 shirts for 9.99 2 pairs of shorts for 14.95 a bathing suit for 24.50 the sales tax was 7% how much did she spend in all ?