Questions by Darxtar

Questions by Darxtar

some instruments differentiate individual quanta of electromagnetic radiation based on their energies. Assume search and instrument has been adjusted to detect photons that have 1.00 x 10^-16 J of energy.

asked Jun 16, 2018

2 answers

0 votes

151k views

Which of the following was a cause of the increase in total U.S. urban population during the early 20th century? the failure of the populist movement. improved living conditions in cities. the success

asked Apr 3, 2018

2 answers

0 votes

55.9k views

(1) Most Americans know that “Uncle Sam” is a nickname for the United States; however, few Americans know how the name originated. (2) Some historians believe the name comes from a nineteenth-century businessman

asked Mar 22, 2018

2 answers

2 votes

87.2k views

Which thin-walled blood vessels lack muscular walls? Veins Arterioles Capillaries Arteries

asked Mar 19, 2018

2 answers

3 votes

16.7k views

Typical United States weather patterns show the continental polar air mass moving south toward the Gulf of Mexico. Why does this air mass movement happen? A) Colder air masses move from north to south.

asked Apr 22, 2017

2 answers

3 votes

70.7k views

1. In a single atom, no more than 2 electrons can occupy a single orbital? A. True B. False 2. The maximum number of electrons allowed in a p sublevel of the 3rd principal level is? A. 1 B.6 C. 2 D. 8

asked Feb 6, 2017

2 answers

0 votes

121k views

Which of these BEST describes the religious differences in early Mesopotamian and early Egyptian civilizations? a. Mesopotamians were mainly Islamic, while Egyptians were animistic. b. Mesopotamians were

asked Oct 11, 2016

2 answers

0 votes

135k views

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