Chemistry, 07.07.2019 22:00 nataliatf3062
What is the best description of a heterotroph? a) an organism that must "eat" food for energy b) cells that have nuclei c) a single-celled organism
Answers: 1
Chemistry, 22.06.2019 08:00
Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.
Answers: 2
Chemistry, 22.06.2019 23:30
With the largest atoms and the smallest number of valence electrons and with the smallest atoms and the greatest number of valence electrons are the most reactive. a. nonmetals; metals b. nonmetals; transition elements c. transition elements; metals d. metals; nonmetals
Answers: 3
What is the best description of a heterotroph? a) an organism that must "eat" food for energy b) ce...
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