As comets approach and move around the Sun, the coma and the tail ...

[maychende]

As comets approach and move around the Sun, the coma and the tail ______________ in size.
 a. decrease
  b. increase
  c. remain the same
  d. none of the above

Question 2

An object is placed at the center of curvature of a concave mirror. The image is
 a. inverted, real, and the same size as the object.
  b. virtual and the same size as the object.
  c. virtual and smaller than the object.
  d. virtual and enlarged.
  e. erect, real, and the same size as the object.

[katara]

Answer to Question 1

b

Answer to Question 2

a

[maychende]

Gracias!

Excellent