Determine the similarities and difference of the three types of rocks ?

Which of the following best describes the purpose of technology?

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.

What does it mean for a cell membrane to be selectively permable