7. How large is the moon compared to Earth? a. about the same diameter as Earth b. about one-half the diameter of Earth c. about one-fourth the diameter of Earth d. about one-eighth the diameter of Earth

How do the processes of weathering, erosion, and deposition affect the ecoregions of Texas? Give a specific example of how each process affects a particular ecoregion.

If this 1300 kg car is driven at 27 m/s through the bottom of a circular dip in the road that has a radius of 600 m, by how much do these springs compress compared to when the car is driven on a flat road

Moving a charged object against an electrical force causes it to

Radiation from a cesium 133 atom completes 9,192,631,770 cycles each second how long does it take for this radiation to complete 1.5 million cycles

The first simple, one-celled organisms that developed during the Precambrian era are called

How many moles of phosphorus trichloride are in 200 grams of the molecule? 62.67 mol 27,466.6 mol 1.46 mol 0.69 mol

A starship passes Earth at 80% of the speed of light and sends a drone ship forward at half the speed of light rela - tive to itself. Show that the drone travels at 93% of the speed of light relative to Earth.

Rubies are used in electronics

Two kids are on a merry-go-round that is turning at a constant rate. ariel is near the outer edge, and bob is closer to the center. ariel has answer (smaller, the same, or greater angular speed?

Visit this website and locate the element mercury, whose chemical symbol is Hg. Click on the square to read about the history, properties, and uses of mercury. Name three uses for mercury.