Why must you always give a unit when reporting a measurement?

When sea ice melts, the darker ocean surface that is revealed absorbs more solar radiation, which in turn causes warming and melts more ice, which in turn creates a greater area of darker ocean surface. What is this process called?

Which terms refers to maintain an internal balance? A) Homeostasis B) insulin C) Glucose D) stress

What type of clutch is used in a hammer drill to enable or disable the spindle drive's final reduction gearing? A. Steel ball B. Friction disk C. Electric cam D. Tapered jaw

5. Prolonged exposure to stress can affect the body in what ways?

Which of the following statements about matter is true? Mass and matter are always the same. Matter is made up of atoms and has mass. Mass can decrease while matter increases. Matter does not exist in the biosphere.

A student in her physics lab measures the standing-wave modes of a tube. The lowest frequency that makes a resonance is 20 Hz. As the frequency is increased, the next resonance is at 60 Hz. What will be the next resonance after this? A. 80 Hz B.

For a satellite to stay in orbit around Earth, it has to be moving forward very fast all the time. What force will make it fall to Earth if it goes too slowly?

A student hangs a balloon from a string then rubs it on their hair and releases it. They rub a second balloon on their hair then move it towards the hanging balloon the moving balloon moves away because ...

Plato and the Soul. A. Plato believed that our souls died with our physical bodies. B. Plato believes our souls were the shadows on the cave walls. C. Plato believed our souls did not exist.

A 1000 kg satellite and a 2000 kg satellite follow exactly the same orbit around the earth. What is the ratio F1/F2 of the gravitational force on the first satellite to that on the second satellite?