Which of the following are luminous?

a. paper, rainbows, stars
b. candle flame, humans
c. campfire, star, sun

Which of these resources is used worldwide to make construction products, pottery, and porcelain

Chlorophyll is found in plant leaves and absorbs light from the sun to enable plants to perform photosynthesis. magnesium is an important component of chlorophyll. the concentration of magnesium ions is higher in the root-hair cells of plants than in the soil. which mechanism of ion uptake would best enable a plant to produce a steady supply of chlorophyll? osmosis diffusion passive transport active transport

Which type of bacterial reproduction is depicted in the diagram?