Approximately what percentage of the salt we eat comes from processed foods? (a) 45% (b) 55% (c) 65% (d) 75%

Examine the air pressure map. which type of line is shown on the map?

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

Which part of the spine is likely to cause a nerve signal to travel faster? a. backbones b. white matter c. nuclei d. gray matter