Suppose that a balloonist has a mass of 60 kg. If each bolloon in the cluster can lift 0.5 kg, how many balloons will be needed to take off ? A. 30 bolloons
B. 60 bolloons
C. 120 bolloons
D. 160 bolloons ​

In which case did the supreme court's decision allow schools to use forced bussing to ensure integration of its schools?

Since so many american men during world war ii were fighting overseas, the factorices lay empty. this presented a problem the u.s. military was in such dire need of manufactured goods bullera, tanks, airplanes , ships, and many other things. whose point of view si best reflected in these lunes?

What ideas, institution, and causes became the focal points of chinese and islamic resistance respectively to the west in the latter half of 19th century and the first decades of the 20th