Earth science Human Activity and water quiz.
What did people rely on rivers for during the eighteenth century? Select the three correct answers. (2 points)
powering mills transporting people and goods collecting drinking water producing 1).electricity sending telegrams

What are the four stages of cell signaling?

Which fossil organism in whale evolution do you think was the first to live mostly in water? explain your claim with evidence and reasoning?

The genetic code is essentially the same for all organisms. based on this information, one can logically assume which of the following statements to be correct? a. dna was the first genetic material. b. the same codons in different organisms translate into the different amino acids. c. different organisms have different numbers of different types of amino acids. d. a gene from an organism can theoretically be expressed by any other organism. e. all organisms have experienced convergent evolution.