The planet Pluto is 39.5 AU's from the sun. How long does it take to go around the sun once.

While walking past a construction site, a person notices a pipe sticking out of a second floor window with water pouring out. As the water flows to the ground, it speeds up due to the effect of gravity.

Element Z has a half-life of 20 minutes. In an events chain concept map tracing the nuclear decay of a 200g sample of element Z, would any of element Z remain after 160 minutes? If so, how much?

When does a fault occur? A. A fault occurs when stresses in the crust cause land on one side of the fracture move in a relation to the other side B.

According to the text, there is no energy shortage now, nor will there ever be. what reason (s) is given to support this statement?

Which describes the changes in visible light moving from red to violet? a. The energy increases. b. The speed decreases. c. The wavelength increases. d. The frequency decreases.

White moths were found in huge numbers in the city of Birmingham. These moths could be easily camouflaged by the trees. Because of sudden industrial development, the trees in the city were covered with soot.

What two factors determine how fast weathering occurs

A sound that's produced by a single wave at a constant frequency and with no overtones is called

Which of the following is ignored when determining the relative mass of atoms? protons nucleus electrons. neutrons

Gamma radiation can be significantly reduced by ... A sheet of paper Air A 3 mm thickness of aluminium Several cm of lead