Questions by Opalczynski

Questions by Opalczynski

DIG DEEPER! Of all the atoms in caffeine, 1/2 are oxygen atoms, 1/6 are nitrogen atoms, and 1/3 are carbon atoms. The rest of the atoms are hydrogen. What fraction of the atoms in caffeine are oxygen,

asked Nov 23, 2023

1 answer

13 votes

87.0k views

3 How could you test whether a plastic rod that has been given an electric charge would attract or repel a magnet? Describe your method and include a diagram. What result would you expect to observe?

asked Nov 16, 2023

1 answer

0 votes

150k views

Complete the following sentence. If you shine a flashlight at an object in space that is 150,000,000 km from Earth, the light will arrive at the object in approximately light seconds. Also… STOP DELETING

asked Nov 13, 2023

2 answers

5 votes

216k views

Find the constant of variation and the variation equation.y varies directly as the square root of x; y=3.0 when x=25

asked Nov 8, 2023

1 answer

5 votes

171k views

A shopkeeper bought 30 pens for 150 and sold 20 of them for 140. Find his profit or loss percentage

asked Jan 22, 2023

1 answer

4 votes

139k views

Connor believed that his responsibility was to enforce the city's laws, and he paid special attention to the Segregation Ordinances, which gave him legal muscle to do whatever he wanted. —We've Got a Job,

asked Dec 24, 2022

1 answer

5 votes

85.7k views

Michael multiplies 0.4 by a number. He records the product as 0.012. What number did Michael use? Michael used

asked Dec 17, 2022

1 answer

19 votes

200k views

Text 3: House Elections 4. Cite Evidence Using the bar graph titled, “Congressional Seats-Off-Year Elections," does the data support the popular perception that the party that holds the presidency loses

asked Nov 28, 2022

1 answer

2 votes

24.1k views

How do you do this?????

asked Sep 16, 2022

2 answers

0 votes

51.3k views

Lucas works in a laboratory that conducts research on the use of transgenic plants to make antibodies and hormones. What field is Lucas working in? a) genetic engineering b) biopharming c) agricultural

asked May 21, 2022

2 answers

19 votes

110k views

Helppppppppppppppppppppppppppppppp helpppppp

asked May 10, 2022

2 answers

2 votes

79.9k views

How did technology help make voyages possible during the age of exploration?

asked Mar 13, 2022

1 answer

5 votes

63.5k views

HI PLEASE HELP W SPANISH THANKS!!

asked Feb 5, 2022

1 answer

0 votes

111k views

What did the First Great Awakening and the Enlightenment have in common? A. They had more of an impact in Britain than the colonies. B. They focused on reason as the guiding principle in colonists' lives.

asked Jan 4, 2022

2 answers

2 votes

107k views

Preferred stock that has the right to prior periods' unpaid dividends even if they were not declared is called:

asked Nov 19, 2021

1 answer

5 votes

161k views

The United Kingdom and Norway are considered Nordic countries. True/False

asked Oct 20, 2021

2 answers

0 votes

174k views

Excerpt from Pride and Prejudice (#4) Jane Austen ‘An invitation to dinner was soon afterwards dispatched; and already had Mrs. Bennet planned the courses that were to do credit to her housekeeping, when

asked Sep 15, 2021

2 answers

3 votes

25.8k views

The literal definition of a word is also called its

asked Aug 20, 2021

2 answers

4 votes

190k views

What type of region is shown on the map? Be sure to explain your reasoning for your choice.

asked Jul 26, 2021

1 answer

5 votes

186k views

What functions must a cell preform to maintain a stable internal environment?

asked Jun 27, 2021

2 answers

2 votes

48.2k views

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