Many plants have waxy coatings on some surfaces. this coating reduces water loss because it is not water permeable( water cannot get inside). this waxy coating is which of the following types of organic molecule? carbohydrate, lipid, protein, nucleus acid?

Which statement describes compounds a. compounds are made of one type of atom. b. compounds cannot be represented by models. c. compounds are represented by chemical formulas. d. compounds cannot be broken down into simpler forms.

Producing disposable grocery bags consumes resources. recycling disposable bags is a solution that can recover some of the resources used to make new bags. which of the following behaviors could further refine the solution? a. disposing of bags by burning them b. reusing bags whenever possible c. using bags at once so that they do not break d. using only nonrenewable materials to make new bags subject is environmental science for apex users

14. which of the following codons code for threonine? a. ucg b. ugu c. cga d. aca