What is one of the drawbacks to the use of solar energy for generating electricity? a. the needed equipment is expensive. b. solar energy is expensive. c. solar energy can't be converted to electricity. d. solar energy produces low amounts of air pollution

1) describe the physical layout of the ocean floor ? 2) explain how the dumbo octopus swims differently than other octopus species and why this would be an advantage in the aphonic zone . 3) why are the types of organisms that live at each underwater hot vent so dramatically different ?

How can a mixture of salt water be separated into salt and water

Mr. rose asked his student to draw a quadrilateral with four unequal sides. an example of this kind of quadrilateral