All of these steps are components of the scientific method excepta)conclusions. b)controls. c)data. d)opinions.

Nucleic acid certain protein cell membranes certain carbohydrates

Which of the following happened during the precambrian era? the first prokaryotic cells the first eukaryotic cells development of photosynthesis all of the above

Modern computers can store about as much information as the human brain. true false its false i took the test