describe the process of digestion through the entire digestive track from the point of the food entering and exiting the body.

What is special about a dc circuit ?

For waves in the ocean, the medium of the waves is a. air b. water c. energy d. a passing boat

Four point charges each having charge q are located at the corners of a square having sides of length a. find symbolic expressions for the following. (a) the total electric potential at the center of the square due to the four charges (use any variable or symbol stated above along with the following as necessary: ke.) vtotal= (b) the work required to bring a fifth charge p from infinity to the center of the square (use any variable or symbol stated above along with the following as necessary: w=