If two minerals have the same chemical composition but cleave into different shapes, which must be true? a. they have different streaks. b. they have different arrangements of atoms. c. they have different hardnesses. d. they have different colors.

What was the land like over 500 million years ago? what was under the sea?

The blue particles in this image are able to cross the cell membrane through simple diffusion. how will they be transported? outside the cell inside the cell o a. the substances will move directly across the membrane from outside the cell to inside the cell. b. the substances will move through channels in the membrane proteins from outside the cell to inside the cell. o c. the substances will move through channels in the membrane proteins from inside the cell to outside the cell. o d. the substances will move directly across the membrane from inside the cell to outside the cell.

Why is the statement not a hypothesis? sunflowers require soil and plenty of sunlight and water to grow and thrive.