Based on the information from the article, what inference can a reader make about thermometer pills? a. the effectiveness of one thermometer pill is temporary. eliminate b. the price of thermometer pills will increase over time. c. the price of thermometer pills will decrease over time. d. the effectiveness of one thermometer pill is permanent.

answer: the blood-brain barrier is a layer of specialized membranes and cell processes designed to keep undesirable substances from passing from the bloodstream into the precious tissues of the brain. while the blood-brain barrier does keep most bad things out of the central nervous system, it is not impermeable.

explanation:

answer; i believe the correct answer is (sporophyte);