15. on a television talk show, a guest claims that
people who exercise vigorously for 15 minutes
or more every day are able to solve math
problems more rapidly than people who have
no vigorous exercise in their daily routine.
describe a controlled experiment that could
be conducted to test this claim. in your
description be sure to:
". state the purpose of the experiment [1]

the correct answer is option b

behavioral response need communication and thus co-ordination at several levels such as interaction among cells, organ system and the entire organism.

behavioral response produces both internal and environmental stimulus.

common management practices in dairy and poultry farming are: (i) proper shelter facilities and their regular cleaning. (ii) some basic hygienic conditions such as clean water, nutritious food, etc. (iii) animals are kept in spacious, airy, and ventilated place.

im not in connections yet but i might can you some questions. what grade are you in?

wha is what i will use to get my free points