3. A child is diagnosed with sickle cell disease, a genetic blood disorder. Which of the following is
true about the mutation that occurred?
A. The mutation produced a harmful effect.
B. The mutation is due to the environment.
COC. The mutation did not affect the child,
D. The mutation produced a beneficial effect.

The hypothesis of continental drift states that earth's continents, which are located on tectonic plates, move relative to each other. which of the following is true of the movement of the tectonic plates? a. tectonic plates only move once every million years. b. they move at a rate of approximately 5 centimeters per year. c. tectonic plates never move, only the continents located on them do. d. their movements are very rapid and occur at random times.

Which muscle is responsible for inhalation ?

The chemical form of energy that is useable by the cell to do work