Can the world run out of carbon? Explain why you answered the way you did

Which of the following statements are true? A. Energy as heat flows from a lower temperature to a higher temperature B. Energy as heat flows from a higher temperature to a lower temperature C. The amount of het in a closed system is constant D.

3. If the tyre of a car has a diameter of 0.7 m and if the wheel has an angular velocity of 10 radians per second, what is the speed of the car in m/s

According to the theory of plate tectonics, what drives plate motion? A) Convention currents B) Magnetic reversals C) Volcanic eruptions D) Mid - ocean ridges

A 65.0-kg woman stands at the rim of a horizontal turntable having a moment of inertia of 480 kg · m2 and a radius of 2.00 m. The turntable is initially at rest and is free to rotate about a frictionless vertical axle through its center.

Umar has two pans, each containing 500cm3 of water. Pan 1 is made from copper and pan 2 is made from iron. Both have a mass of 1.5kg. Which pan will require more energy to heat the water to 100°C?

Write a good scientific question that can be answered by Guadalupe based on what is described above. Label the independent and dependent variable within your question.

Which one is more accurate M1 = 1.0cm + - 0.1cm M2 = 0.10cm + - 0.01cm M3 = 0.100cm + - 0.001cm A. M1 B. M2 C. M3 D. All have same accuracy

What is the name of the group of elements that are human-made and do not occur in nature?

The waters of a lake will be most layered in which season A. winter B. spring C. summer D. fall

a 160kg space vehicle is traveling along a straight line at a constant speed of 800. meters per second. the magnitude of the net force on the space vehicle is