Answer:
Fossilized remains of marine organisms
The proteins, being made up a diverse set of amino acids, have, in addition to carbon, hydrogen, oxygen, and nitrogen, the elements sulfur and selenium. It is incredible the complex array of macromolecules that can be built starting with these simple elements.
The epidermis has tiny pores called stomata (singular, stoma) that control transpiration and gas exchange with the air. so the tissue works with the stomata
Answer:
she could somehow try to separate the mixture into its two original forms? I can't really help you well without more info, sorry
