In what regions of the globe do cold water currents originate?

Atypical human cell is approximately 12.00 μm in diameter and enclosed by a membrane that is 5.000 nm thick. (a) what is the volume of the cell including the membrane? (b) what is the volume of the cell membrane? (c) what percent of the total volume does its membrane occupy? to simplify the calculations, model the cell as a sphere. enter your answers using four significant figures.

According to this food web which of the following would be considered primary consumers

Which situation is an example of not doing work? lifting a couch throwing a baseball running up stairs carrying a box