Which functional area of the brain is responsible for keeping the cortex alert and conscious and enhancing its excitability?
a. frontal eye fields.
b. reticular activating system.
c. broca's area.
d. limbic system.

Which of these statements best describes the st. lawrence seaway? the st. lawrence seaway connects the st. lawrence river with the arctic ocean. the st. lawrence seaway provides an important trading route between the u.s. and mexico. the st. lawrence seaway provides an important trading route for the u.s, but has little value for canada. the st. lawrence seaway connects the great lakes, the st. lawrence river, and the atlantic ocean.

What is the sequence of amino acids corresponds with the rna strand ucg ggg cac

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