The core, or middle, of the Sun is the hottest part. Hot gasses bubble up from the core to the surface of the Sun. When the gasses burn, heat and light are produced.
I have no idea, i speak english how about u
Miss Philadelphia. The part of the root that contains transport tubes is the root hair. The primary role of the root hair is to absorb water and nutrients from the soil.
Birds and reptiles lay amniotic eggs. They consist of a shell, embryonic membranes, and the embryo.
