Need help, this is a religon assignment: Look up the following Scriptures and explain how each shows that water is a sign of life.

1: Exodus 14:15-31

2: Exodus 17:1-7

3: 2 Kings 5:1-14

4: Mark 1:1-8

Which statement is a good description of a model? a) models are a description of nature based only on one or two variables. b) models are testable ideas but they are not very to most people. c) models are a description of nature that predicts more accurately than real events. d) models are an approximiation of a real system that omits all but most essential variables in a system.