Which statement is true?
a.
opinions can be scientifically tested.
b.
scientific theories are absolute and cannot be changed.
c.
scientists have learned all they’ll ever know about science.
d.
facts can be scientifically tested.

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.

stimulus is a change in the environment that causes an organism to react. the response is the reaction to the stimulus. some examples of stimuli for zebras are drought, to many predators, and bad feeding grounds such as dead grass or plants. zebras respond to stimuli just like all other living organisms

links? do you have a link? i don't see anything?