Exercise has no positive effects on the nervous system.

Which of the following, is an example of a mental goal a) ¨i would like to eat an ice cream cone" b) ï would like to reduce my carbon footprint" c) ¨i would like to learn a foreign language" d) ï would like to fall in love¨

Aresearcher lyses a cell that contains nucleic acid molecules and capsomeres of tobacco mosaic virus (tmv). the cell contents are left in a covered test tube overnight. the next day this mixture is sprayed on tobacco plants. we expect that the plants would ) develop some but not all of the symptoms of the tmv infectionb) develop the typical symptoms of tmv infectionc) not show any disease symptomsd) become infected, but the sap from these plants would be unable to infect other plants

Witch form of birth control could people use without. altering hormonal systems or blocking sperm from fertilizing an egg