What effect do stimuli below a person’s absolute threshold have on that person’s senses?

The best way to get vitamins and minerals is to  a.  eat more fruits than vegetables.    b.  drink as much fruit juice as possible.    c.  take vitamin supplements.    d.  eat a balanced diet.

Which is a contraceptive method that is classified as hormonal birth control?

Blood cells bring oxygen to cells and take carbon dioxide away. true or false