1. lifeless
2. evaporation
3. seeps into
4. surface, pycnocline, deep
5. food web
6. photic
When the tectonic plates diverge apart new magma comes up and cools along the ocean floor. This makes new crust.
Precipitation and temperature :)
Answer:
They support development because they allow people to be aware of what diseases they could catch, and it teaches them to avoid certain things that can be fatal, or germy.