Particle move across a membrane: A. from low concentration to high concentration
B. from high concentration to low concentration

Why did rutherford say that bombarding atoms with particles was like "playing with marbles" what

1) what three conditions must be present for minerals to form through natural processes? 2) why are minerals considered inorganic substances? 3) how do oxides differ from other minerals that contain oxygen atoms? 4) how is a sulfide different from a sulfate? what makes native elements unique?

When a doggo starts to pace around in the same line for a hand full of days. what would that mean?