Katzev (1978) found that when people were reprimanded at a zoo for feeding unauthorized food to bears, they were to help another person afterwards than if they had not been reprimanded. A. more likely

B. more hesitant

C. less likely

D. less willing.

Cathy hypothesized that corn would not grow in mud. to test this hypothesis, she took corn kernels and placed 5 in mud, 3 in soil, and 2 in water. to her surprise, the kernels in the mud grew faster than the kernels in the soil. what error might have caused these unexpected results? a. wrong hypothesis b. not enough variables c. undefined control d. too many variables

Which of the following is an eon in the time scale? phanerozoic proterozoic archean all of the above

Discuss cell surface transport in the structure of constituents