Which of the statements about diffusion are true? Select all that apply. Solutes diffuse from a region of higher concentration to a region of lower concentration. Lower temperatures will slow rates of diffusion. Positively charged solutes diffuse toward regions of positive charge. Solutes diffuse from regions of low concentration to regions of high concentration . Negatively charged solutes diffuse toward regions of positive charge.

Which of the following statements is most likely correct about a rock belonging to the jurassic age and a rock belonging to the cambrian age? options: 1) they have identical fossils of organisms that have evolved over time. 2) both have animal fossils preserved in them due to weathering and erosion. 3) they contain different fossils because life on earth has changed through time. 4) the fossils in them were formed on the surface of earth due to exposure to sunlight.