A drawing pin has a sharp point at one end and a large flat head at the other use the words force pressure or area

Which branches of natural science include the study of an organism that lived 10 million years ago

The star betelgeuse is about 600 light-years away. if it explodes tonight, a. we'll know because debris from the explosion will rain down on us from space.b. we'll know it immediately because it will be brighter than the full moon in the sky.c. we won't know about it until 600 years from now.d. none of the above.

What causes the formation of ocean currents?