Help!! i’ll give brainiest
Which samples in the table above have the same empirical formula?

This aquarium exhibits biotic and abiotic factors in an aquatic environment. one of the abiotic factors is

Hector is back from his morning run and is feeling light-headed because his energy is depleted which food item will provide him with a quick source of carbohydrates

Ivan is looking at a cross section of a stem taken from a vascular plant. he sees two different types of vascular tissue: the xylem, which is closer to the center of the stem, and the phloem, located around the xylem, closer to the outside of the stem. how do these two structures work together in a living plant?