Which is a primary source of evidence that Columbus sailed to find a new route to the Indies in 1492? A.
A television show about the exploration of Columbus.
B.
A letter from the current ambassador of Spain describing the voyage.
C.
A painting showing Columbus landing in the New World.
D.
A diary entry written by a crew member on Columbus' ship.

Which kind of organism is a heterotroph?

Which of the following studies is linked most directly to the establishment of the national research act in 1974 and ultimately to the belmont report and federal regulations for human subject protection? a. the public health service tuskegee study of untreated syphilis in the negro male. b. stanford prison experiment (zimbardo).c. tearoom trade study (humphreys).d. the harvard t3 study.

Kate is 14 years old and just started taking dance classes with her friends at a local dance studio. this is her first time in a dance program, so everything is new to her. her friends convinced her to join the class since they have been enjoying it for a few months. how could the following terms her succeed in the dance class? ● secondary reinforcement ● identity vs. role confusion ● observational learning how could the following terms hinder her success in the class? ● circadian rhythm ● basal ganglia ● vestibular sense