11. in plants, leaves are the primary photosynthetic organ. the diagram shows a cross section of a leaf; discuss what would happen if the guard cells permanently blocked the stomata on the underside of the leaves of a plant. include at least 2 possible scenarios that could happen to the plant if the stomata were blocked. number each example, and provide specific examples supporting your answers in complete sentences.

ionic bonds are two oppositely charged ions that attract. a sodium ion has a 1 positive charge; a chloride ion has a 1 negative charge. sodium and chloride have oppostive charged ions that attract which forms an ionic bond. a chemical bond formed when two atoms share electrons is called

one part of the electromagnetic spectrum that arrives on earth as solar radiation from the sun is the visible spectrum. wavelengths of the visible spectrum combine to form what we refer to as

answer - d) ultraviolet radiation.

violet /   380–450 nm / 668–789 thz

violet is number 1 in the chart of visible light.