More cards in this set

Ellipse.

A: geostationary orbit (what is the question?)

A: angle of reflection (what is the question?)

A: they slow down. (what is the question?)

A: half the radius of the circle a convex or concave mirror would have form had it been a complete circle. (what is the question?)

A: when sight lines, OR light rays converge (what is the question?)

Ultrasound.

A: loudness (what is the question?)

Prenatal scanning.

A: increase the size of the current. (what is the question?)