What is one way students could reduce their dependence on cars

Describe the primary and secondary immune response in terms of speed and number of antibodies produced?

Which phrase is the best summary of the model shown? a. the transfer of the sun's energy through trophic levels b. a series of aerobic and anaerobic reactions c. a transformation of light energy into chemical energy d. the breakdown of food molecules

Which best describes carbon dioxide’s path out of the body