When water returns to the ocean through channels in underwater sandbars, it may produce a current called?

I'm taking online classes I need to know, what is chemistry?

Jill has been experiencing recurring periods of shortness of breath, sweating, trembling, faintness, and a feeling of unreality for over a month. She may be suffering from:

Could the oceans be made of comets hitting the earth when it was made?

Participants are classified according to their exposure to a factor of interest and then are observed over time to document the incidence of disease in what type of study?

What is the sequence of amino acids coded for by the following sequence of bases in a strand of DNA? A A T G C A T T C C G T

True or false? bupropion is an antidepressant medication that is useful as a smoking cessation aid.

A new island forms due to an underwater volcano. Birds from the mainland colonized the island. This is an example of a. Behavioral isolation b. Reproductive isolation c. Geographic isolation

What is the differences between prokaryotic and eukaryotic ... ?

A finger-like projection of the cell membrane and cytoplasm use to catch food and/or move (false-foot)

Who was one of the first scientist to use numbers to look for patterns in experimental data