They observe it, run tests on many different things, and do expirments
Water (H2O) takes up more than 60% of the body thus the answer is C
The starting molecule is ATP
I believe it should be lipids
Answer:
Archaebacteria are primitive, single-celled microorganisms that are prokaryotes with no cell nucleus. Each archaea has the ability to live in very severe environments.
Archaebacteria are one of the six kingdoms of life: plants, animals, protists, fungi, eubacteria and
