What is the average rate of formation of br2?

An alarm clock draws 0.5 a of current when connected to a 120 volt circuit. calculate its resistance.

Chemical weathering is

Which is the most electronegative element? nitrogen fluorine sodium cesium hydrogen

If u doubled both the voltge and the resistance in a circuit what would be the effect on the current

Sedimentary rocks are the only rocks that can potentially contain a. fossils. c. fractures. b. minerals. d. faults.

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