Which of the following is the best solution to meet energy demands while protecting the environment?

Which of the following is most important in making the typical seed more resistant to adverse conditions than the typical spore? a) a different type of sporopollenin b) an internal reservoir of liquid water c) integument(s) d) ability to be dispersed e) waxy cuticle

Which element forms the basis of all organic organisms a carbon b oxygen c hydrogen d nitrogen

What is the problem in this article? what solution does the article propose?