Questions by Jon Ownbey

Questions by Jon Ownbey

The mass number of an element is equal to a. the total number of electrons. b. the sum of the protons and neutrons. c. less than twice the atomic number. d. a constant number for the lighter elements.

asked Oct 10, 2017

1 answer

4 votes

152k views

Speciation occurs during the evolutionary development, or phylogeny, of a species. In which of the following situations can speciation occur? When a population becomes extinct. When two populations are

asked Jul 12, 2017

2 answers

5 votes

229k views

Which explains why Senator Edmund Ross voted not guilty in Andrew Johnson's impeachment trial? A. He knew that he would lose reelection if he voted to convict the president. B. He genuinely felt that Johnson

asked Oct 23, 2016

2 answers

3 votes

223k views

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