Describe how the properties of elements in the same group differ to the properties of elements in the same period.

Why is it illegal to manufacture fireworks without a license

Jessica is traveling from miami, florida, to chicago, illinois. using the map, tell one way the land will change during the second half of her trip.

Suppose the universe were completely empty except for one object-a solid sphere moving through space of 100 km/s. what sort of path would the object be moving in? explain your answer