Clams and oysters are examples of invertebrates. which structure in these animals protect their internal body parts? shell, backbone, gills, or muscles

Kelly ran electricity though a sample of water using electrolysis. the water changed into two gases, x and y. it was not possible to break down the gases x and y into simpler particles.

What is the period of cell life when it is conducting

What is one reason why transpiration is important in plants? question 19 options: it produces food from the sugar in the plant cells. it enables the flow of water out of the plant. it produces carbon dioxide in the leaves of the plant.