The circumference of the circle in the above figure is 128 ft. what is the length of ab? a. 16 ft b. 105.5 ft c. 22.5 ft d. 45 ft

James hutton is ? a. extensively studied fossils. b. revealed that fossils would provide the history of past life. c. created the first scientific classification of plants and animals. d. provided geologic evidence necessary for calculating the time span of evolution.

The inner planets mercury, venus, earth, and mars were formed by

Canada must balance the economic opportunities offered by its natural resources with the need to maintain links to the united states maintain high tariffs preserve the environment protect its borders