The onandaga shale contains fossils of crinoids, coral, trilobites, and brachiopods. why are there no fossil ferns or primitive pine trees?

The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

What role did the waterways of europe play in development of europe's economy

Create 3 equivalent fractions using the area model for 2/5create equivalent fractions using number lines for 1/2create equivalent fractions using multiplying for .3/4brainliest