Which of the following describes the shape of the Mid-Atlantic Ridge?
A. It is shaped like Africa and Europe.
B. It is shaped like a straight line.
O C. It is shaped like Antarctica and Asia.
O D. It is shaped like a circle.

Iguanas need to live in a habitat that is very warm, so the pet store warms their enclosures with "basking lights" which act as an artificial sun. describe how the three methods of thermal energy transfer may take place within the iguana's enclosure.

How is the national wildlife refuge system similar to the pacific region coastal program? a. both programs are concerned with providing habitats for wildlife b. both programs are primarily concerned with preserving fish species c. both programs have set aside 150 million acres of land d. both programs are under the u.s. fish and wildlife service

Why do we perceive objects as retaining their brightness under different lighting levels?