An elongated tailbone occurs rarely in some newborn children. what does the presence of a tailbone indicate?

The earth's polarity has switched many times through history as evidence by what wh the earth clorets he has switched many times throughout history as evidence by what

Enzymes are proteins that speed up reactions by providing an additional energy source supplying additional molecules for the reaction removing inhibitors that slow down reactions lowering the amount of energy required

In which situations is the principle of cross-cutting relationship useful in determining relative age?