Which of these rocks are formed by volcanic activity? select the two correct answers. a. marble b. basalt c. limestone d. granite e. sandstone

Perid 4 of the periodic table contains the elements potassium, calcium, and copper. Which is least reactive?

Imagine a large block that sinks in a tub of water. You hold a much smaller block of the exact same material in your hand, above the water. When the small block is dropped into the tub it will A.) Sink B.) Float C.

Which sentence best explains how human population growth affects the production of waste? A. An increase in people would have an unpredictable effect on waste. B. An increase in people would likely result in an increase in waste. C.

I left a location by 6:38am and arrived a new location by 6: 58am. How do I calculate the time spent?

Why does the balloon stick to the wall

What can be said about the force of gravity acting on an object that is floating stationary underwater and not moving up or down? A. The buoyant force equals the force of gravity, so there is no net force. B.

A frog in a hemispherical pod finds that he just floatswithout sinking in a fluid of density 1.25 g/cm3. If the pod has a radius of3.00 cm and negligible mass, what isthe mass of the frog?

What is the reasonable estimate for Lim g (x)

Do tides depend more on the strength of gravitational pull or on the difference in strengths? explain.

Which of the following scenarios would create the most friction between the two surfaces? A.) a shoe with a rubber sole moving against a smooth tile floor B.) a shoe with a wooden sole moving against a smooth tile floor C.