What do the four outer planets have in common

What evidence supports geological processes changing the surface of the earth? cutting down forests creates a decrease of habitats. tectonic plates uplift the rocky crust of earth to form mountains. competition in ecosystems creates a decrease in diversity. pollution runoff contaminates a lake.

The first mathematical theory of tides was introduced by: galileo kepler newton cousteau

The ancient athenians developed the first form of democracy, called: possible answers: a) direct democracy b) representative democracy c) the great character d) indirect representation