Choose the correct answer

15 Water supplies are pumped in from
mountains above the city.
a a sea level
C
c an irrigation
located in the
b a flood
d a reservoir
16 Singers usually do warm-up exercises before they
begin a performance, so that they don't damage
their
a vertebrae
c dark matter
b taste buds
d
vocal cords
energy; the word
17 Any object that is in motion has
is derived from the Greek for 'movement.
a kinetic
c
mechanical
b potential
d electric
18 The victim survived the shooting because none of his
were damaged.
a vital organs
b blood cells
c kidney stones
d nervous system