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Answers by Li Xiong

Answers by Li Xiong
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Gamma rays (γ-rays) are high-energy photons. In a certain nuclear reaction, a γ-ray of energy 0.815 MeV (million electronvolts) is produced. Compute the frequency of such a photon. Answer must be in Hz.
answered Nov 21, 2020
6 votes
156k views
Because Mr. Maloney trusts his employees, he treats them kindly. His kindness leads them to work diligently on his behalf, which in turn increases his trust in them. This pattern of trust, kindness, diligence,
answered Nov 9, 2020
5 votes
161k views
Why is control of Jerusalem a major obstacle to peace
answered Aug 28, 2020
7 votes
96.3k views
What one major event that kkk that occurred during Reconstruction
answered Jul 10, 2020
3 votes
100k views
Consider two E. coli mutants: Mutant 1 has mutation in LacI, such that the protein can no longer bind DNA. Mutant 2 has a mutation in the operator, such that LacI can no longer bind to it. What will be
answered Jun 10, 2020
5 votes
231k views
How are mitosis and binary fission simlilar?
answered Apr 24, 2020
3 votes
12.6k views
Carbon tetrachloride (ccl4 ) is used as a solvent in scientific research, but due to its role in ozone depletion it is not longer used in commercial products. what type of bonding occurs between the atoms
answered Nov 8, 2019
5 votes
126k views
Gary works as a sales representative in a clothing store. He gets a fixed salary of $1,500 per month. He also gets a commission of 10% of his sales. The equation of the line that represents the total amount
answered Apr 15, 2019
3 votes
202k views
What angle do the minute and hour hands of a clock make at 5:30
answered Mar 13, 2019
4 votes
88.3k views
Which of the following shows a result of government regulation of alcohol consumption? (3 points) The answer is Traffic fatalities related to alcohol have decreased Daily alcohol consumption has increased
answered Mar 3, 2019
3 votes
146k views
20 points Please help. Thank you.
answered Jan 10, 2019
5 votes
15.8k views
A balance is used to measure?
answered Oct 25, 2018
4 votes
6.1k views
Determine the valie of x for which v || w if m2 =100 and. m7 =4x+10
answered Sep 30, 2018
3 votes
80.5k views
What numbers indicate an acid?
answered Sep 9, 2018
3 votes
85.9k views
Help!!!!!!!!!!!!!!!!!!!!!!
answered Aug 28, 2018
6 votes
136k views
What was the cause of Bolivar joins the independence movement.
answered Aug 6, 2018
4 votes
105k views
Which does an editorial present to consumers? objective information opinions of all people involved opinions of a single individual information to sell something
answered Mar 3, 2018
1 vote
8.2k views
A worker uses a cart to move a load of bricks weighing 680 N a distance of 10 m across a parking lot. If the worker pushes the cart with a constant force of 209 N, what amount of work does he do?
answered Dec 15, 2017
5 votes
122k views
Insurance can help you:
answered Sep 28, 2017
3 votes
191k views
Fill the blank with the preterite tense of the verb in parentheses. Los señores ____________a la banda ayer. (escuchar)
answered Mar 4, 2017
2 votes
8.8k views
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