Explain how human chromosomes 13 can be composed of just two molecules but have so many atoms? What are those two molecules? How are they bonded to each other?

Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?

Afisherman is dragging his boat from the shore out into the ocean. match the following lists of areas he will move over in the correct order. continental rise continental slope continental shelf [tex]1.[/tex] [tex]2.[/tex] [tex]3.[/tex]

The unique structure of the neuron is dedicated to the efficient and rapid transmission of neural signals. the relationship between neurons, the spinal cord, and the brain constitutes an elaborate communication system throughout the human body. all but one of the functions listed below are a result of this interaction.