Extreme natural hazards and population growth
National park's are meant to be a safe place for animals and nature where they can't be harmed or pursued for human use. The second question depends on your point of view but the natural environment does need to be protected.
Water changes forms through temperature change as it goes through the water cycle. It evaporates by being heated by the sun, it condenses by cooling as it reaches higher altitude. It precipitates when the cooled water becomes heavy, and the cycle starts all over again.
A or b or c not d you chose
<em>it took <u>130 years </u> to build Sagrada familia... :) it build from <u>1852 to 1926...</u>
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