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How do we determine how many protons are in an element: options: A. Isotopes B. Atomic mass - atomic number C. atomic number D. atomic mass
asked
Oct 16, 2021
Physics
middle-school
1
answer
2
votes
212k
views
Liquid ethanol is a flammable fluid and can release vapors that form explosive mixtures at temperatures above its flashpoint at 16.6°C. In a chemical plant, liquid ethanol (c_p = 2.44 kJ/kg*K, rho = 789
asked
Sep 26, 2021
Engineering
college
1
answer
3
votes
113k
views
Erin knows exactly what benefits she will receive when she retires. She has worked for the organization for 20 years and will receive 65% of the average of her two highest years of pay. Erin’s retirement
asked
Jul 13, 2021
Business
college
1
answer
2
votes
104k
views
Why did the American economy begin booming in the 1920s? a.Americans were spending more money on products since they had extra money to spend. b.Americans were reckless with national spending, determined
asked
Jun 16, 2021
History
high-school
2
answers
4
votes
13.5k
views
What is the length of the unknown leg in the right triangle
asked
Feb 28, 2021
Mathematics
college
1
answer
2
votes
197k
views
Who was the leader who helped unify the United States?
asked
Nov 4, 2020
History
middle-school
1
answer
3
votes
154k
views
Distracted driving is ______. a.Trying to do something while driving that takes your eyes off the road b.Thinking about something else while driving that takes your mind off the road c.Trying to do something
asked
Oct 3, 2020
Social Studies
college
2
answers
0
votes
202k
views
Hello help me please thank you to those who will help me Answer the question 4 à 15 Use the document in spanish
asked
May 10, 2020
Spanish
high-school
1
answer
1
vote
84.9k
views
Explain the importance for Rome’s roads and money?
asked
Apr 18, 2020
History
middle-school
1
answer
2
votes
86.7k
views
During the colonial era, Africans and Native Americans did what?
asked
Aug 25, 2019
History
middle-school
2
answers
0
votes
217k
views
The Charleston family has less than 500 Dalmatians. There are six times as many Dalmatians with black spots on their right ears as Dalmatians without these spots. After giving away 6% of their Dalmatians,
asked
Apr 13, 2019
Mathematics
middle-school
2
answers
4
votes
24.5k
views
A)Estimate 49% of 162. b) Use mental math to calculate 49% of 162. plz help i need to know fast
asked
Mar 11, 2019
Mathematics
middle-school
1
answer
3
votes
74.6k
views
PLEASE HELP VERY CONFUESED A spherical model of planet Earth has a radius of 3 ft. What is the approximate volume of the model of planet earth? Use 3.14 to approximate pi. Round to the nearest hundredth
asked
Sep 13, 2018
Mathematics
middle-school
1
answer
2
votes
36.2k
views
The equation y = ax describes the graph of a line. If the value of a is negative, the line
asked
Jun 12, 2018
Mathematics
high-school
1
answer
2
votes
38.1k
views
Generally local governments get the least amount of funding from what?
asked
May 28, 2018
Social Studies
high-school
1
answer
4
votes
135k
views
Two glasses of water have the same thermal energy. must they have the same temperature? explain.
asked
Feb 6, 2018
Physics
high-school
1
answer
2
votes
122k
views
Which of the following conclusions about the speaker is best supported by the ideas and information in "From Emperor to Citizen"? (1 point
asked
Jul 4, 2017
English
high-school
2
answers
0
votes
12.2k
views
Meredith picked 4 times as many green peppers as red peppers. If she picked a total of 20 peppers, how many green peppers did she pick?
asked
Jun 5, 2017
Mathematics
middle-school
1
answer
0
votes
64.5k
views
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