? How can individuals help manage air and water resources?

When the cell concentrates potassium within, against the natural tendency of matter, it is performing a. passive diffusion b. facilitated diffusion c. active transport d. pinocytosis

Which worm has eyespots that are used to detect light? a fluke b marine worm c planarian d tapeworm

Which statement names a physical property of wood? wood does not rustwood can burnwood can rotwood is softer than coal