How many chromosomes are contained in the nucleus of each cell in the human body?

Which of the following is a consequence of urban heat islands? increased precipitation downwind of the city? increased precipitation upwind of the city? decreased winds within the city? increased winds within the city?

Which zone within the open-ocean zone is home to the most organisms? deep zone surface zone intertidal zone transition zone

The human body needs energy in order to carry out life processes such as breathing. where does the body get this energy? a. from eating food b. from learning about new things c. from lying in the sun d. from sleeping