Sex is important because its how we reproduce we create new life so that they can create new life and so on with out sex theres no life if that makes sense
I'm pretty sure it is "c"
It is Xylem of the plants that help transport the water and other nutrients from the roots up through the plant. The phloem basically transport food synthesised by the plant but not the water.
Answer:
RNA - single stranded, contains uracil, and protein synthesis.
DNA - Double stranded, contains thymine, and stored genetic material.
Hope that helps! :)