Chemistry, 29.08.2021 21:30 sipstick9411

Question 17 (0.4 points) What was a major flaw in J. J. Thomson's plum pudding model?
Question 17 options:

It did not account for the mass of the atom.

It did not account for the nucleus of the atom.

It did not contain any positively charged particles.

It did not contain any negatively charged particles.
Question 18 (0.4 points)

According to cell theory, all cells carry out the functions needed to sustain life. That means all cells must contain
Question 18 options:

DNA

a nucleus

cell walls

a control center
Question 19 (0.4 points)

Water, H2O, is a molecule made of oxygen and hydrogen. The bonds that hold water molecules together are due to shared , and known as covalent bonds.
Question 19 options:

electrons

neutrons

photons

protons
Question 20 (0.4 points)

Selective breeding is the process of breeding plants or animals so that they inherit particular traits from their parents. Which of these is not possible with selectively breeding a crop species?
Question 20 options:

The crop becomes more tolerant to drought.

The quality and yield of the crop improves.

The crop becomes resistant to bacteria and fungi.

The offspring will have all different traits from the parents.

Answers: 1

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Question 17 (0.4 points) What was a major flaw in J. J. Thomson's plum pudding model?
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