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Why did the ph decrease in both investigations

Study this image. which statements best describe the rock shown? check all that apply. the grains of this rock are jagged. this rock has several coarse grains. the grains in this rock are very large. this rock has a non-banded pattern. the color of this rock is determined by its texture.

Explain nonnuclear inheritance. ~ ap biology

Diagram of the evolution of land plants?