Biology, 28.06.2019 04:50 arnold2619
Why are large amounts of energy required to separate a nucleus into protons and neutrons even though the protons experience electrostatic repulsion? a. the forces holding the nucleus together are much stronger than the repulsion among the protons. b. the electrostatic forces acting among other atoms lower the force of repulsion of the protons. c. the interactions between neutrons and electrons neutralize the repulsive forces among the protons. d. the force of the protons repelling each other is small compared to the attraction of the neutrons to each other.
Answers: 2
Biology, 22.06.2019 08:30
Which of the following is a true statement? a. individuals evolve to have adaptations. b. individuals have adaptations that can change over time. c. individuals have traits that may or may not make them successful at reproduction. d. populations cant evolve, only individual organisms.
Answers: 1
Biology, 22.06.2019 14:30
The human body needs energy in order to carry out life processes such as breathing. where does the body get this energy? a. from eating food b. from learning about new things c. from lying in the sun d. from sleeping
Answers: 1
Biology, 22.06.2019 15:00
Which of the following must be true for a fossil organism to be useful as an index fossil? a. the fossil organism must be widespread geographically. b. the fossil organism must be abundant. c. the fossil organism must be limited to a short span of geologic time. d. all of the above.
Answers: 1
Why are large amounts of energy required to separate a nucleus into protons and neutrons even though...
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