An ostrich can run at an average speed of 50 km/h. How long would it take an ostrich running at this speed to travel from Seattle, WA to Portland, OR (assuming the two cities are about 230 km apart) ?

A. 3.3 h

B. 4.1 h

C. 4.3 h

D. 4.6 h

If the atmosphere is like a green house, what partsof It function as the "glass"?

Determine the molar mass of barium sulfide, BaS

Express 6009m in scientific notation

What is the direct function of the energy released from the nuclear chain reaction in a nuclear power plant? turning the blades of the turbine heating water to produce steam powering the condenser carrying electricity from the plant to consumers

Why is neon in the same group as helium on the periodic table

You would know you were in the troposphere If? It were raining on you You were floating in space You were flying in a high altitude jet You were in the ozone later

A burning match is an example of a chemical change phase change nuclear change physical change

The table below shows the shapes of two samples, C and D, when placed in three containers of different shapes.

How many grams of KCl are produced when 60 grams of K are reacted?

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