An old iron battery was discarded in this meadow. as time passes, the iron begins to undergo a chemical change when the iron reacts with the oxygen in the air. the evidence that a chemical change has occurred in this example is that a) rusting releases a gas. b) rusting produces water. c) rusting produces a new substance. d) none of these changes are occurring. i need a correct answer plz!

Indica el nombre y la fucion de los vasos sanguineos que entran y salen de los riñones

Plz ! a frog has a genetic mutation in skin cells that causes part of its skin to turn orange the frog will not pass this genetic mutation onto its offspring because, a. the offspring will inherit skin cells from the other parent. b. mutated skin cells cannot divide and produce daughter skin cells. c. skin cells do not contribute genetic material to sex cells. d. parents do not contribute genetic material to their offspring.

Describe the function of the endomembrane system? what organelles are involved?