Which of the following statements about the tail of a comet is correct?

a. the tail always points toward the sun.
b. the tail always points away from the sun.
c. the sun's corona creates the tail of a comet.
d. the tail always points behind the comet.

Answer is B

Explanation:

The force exerted on the coma by the Sun's radiation pressure and solar wind cause an enormous tail to form, which points away from the Sun.

B. The following statements about the tail of a comet is correct: The tail always points away from the sun.

Explanation:

heat released by collision processes during accretion, and heat from decay of radioactive elements

explanation: