A sterilizing impact is one during which
A) all life on a planet is completely destroyed
B) most life on the surface of a planet is destroyed but life in the oceans or beneath the surface might survive
C) a planet is fragmented into pieces
D) life on a planet is rendered incapable of reproduction
Question 2
A negative magnification for a mirror means
A) the image is inverted, and the mirror is concave.
B) the image is inverted, and the mirror is convex.
C) the image is inverted, and the mirror may be concave or convex.
D) the image is upright, and the mirror may be concave or convex.
E) the image is upright, and the mirror is convex.