Which of the following may hallucinogens not necessarily have in common?
A) Pharmacological properties
B) Effective dose
C) Tendency to produce dependency
D) Duration over which effect holds

C. TENDENCY TO PRODUCE DEPENDENCY

Explanation:

Hallucinogens are compounds that elicit hallucination and causes changes in thought, emotions and consciousness of the user.

Hallucinogens generally are from two basic classes of amino acids; the tryptamine and phenylalanine amino acids.

Hallucinogens exhibit their effects at an effective dose and have duration in which their effects hold.

Hallucinogens do not generally have tendency to produce dependence as users can take it because they want to(craving for it) but they are not dependent on it physically.

Users continues to use hallucinogens even despite major effects in their body.

answer: land bridge theory. land bridge theory held that shifting portions of dry land explained the finding of identical species on different continents. plate tectonic theory eventually eliminated the land bridge theory.

all answers true and false

explanation: