19. Human activities affect
Human activities affect
water quality all over
water quality all over
the world
the world
20.
21.
22.
23. Conserving water helps to preserve the planet’s
Conserving water helps to preserve the planet’s
natural resources
natural resources
24.
25.
26. A person can live weeks without food, but
A person can live weeks without food, but
only about three days without water!
only about three days without water!
27. The earth has aalimited amount of water. The same water keeps going
The earth has limited amount of water. The same water keeps going
around and around the planet in aaprocess called the water cycle.
around and around the planet in process called the water cycle.
28. We are
using th
e
same
water th
e
dinosaur
s
used!
COOL O
R
EWWW
?