Can the root of a plant absorb oxygen form the soil?

Consider the venn diagram of plant reproduction. where in this image, areas a - d, would you insert the picture of the orange lily?

How does the color of light affect the germination time (amount time a plant takes to develop) of a radish seed?

Hairs that clean dirt out of the air in your nasal passages are called: a. sinus b. trachea c. cilia d. mucus