Apigeon was shocked every time it landed on the telephone wire. after a few times of this, the pigeon learned not to land on the wire. it learned this by

(a) habituation
(b) classical conditioning
(c) operant conditioning
(d) latent learning

Most crimes involve some evidence relating to the human body; for that reason, what related science is frequently used in forensic investigations? a)psychiatry b)physics c)botany d)biology

How far down have geologists drilled holes ? (science) a: 3.8 km b: 12 km c: 100 m d: 1200 km

Which of the following must be true for a fossil organism to be useful as an index fossil? a. the fossil organism must be widespread geographically. b. the fossil organism must be abundant. c. the fossil organism must be limited to a short span of geologic time. d. all of the above.