Question 2 1 pts
Which one of the following elements is least likely to react with another
element?
Potassium
Zinc
Krypton
Bromine

The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.

Mike and mitchell decide to have a foot race. they mark off a stretch of 100 yards, and recruit cindy to work the stopwatch. after running the race and looking at the results, cindy declared that mitchell was the fastest. so how did the boys times compare?