Answers by Amr Eladawy
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Answers by Amr Eladawy

Answers by Amr Eladawy
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A standard television tube produces 525 scans of the television screen per 1/30 of a second. How many scans will a tube make during a 30-second commercial?
answered Jun 8, 2020
3 votes
61.5k views
In the commercial manufacture of nitric acid, how many liters of nitrogen dioxide will produce 30 liters of nitric oxide given that both gases are at STP? 3NO2 + H2O 2HNO3 +NO A. 20 liters B. 0.1 liters
answered Jan 25, 2020
1 vote
170k views
Choose the document that limited the rights of kings in England and became the foundation for U.S. documents, such as the Bill of Rights.
answered Dec 9, 2019
4 votes
227k views
Choose the irrational number !!!!!!!!
answered Oct 25, 2019
1 vote
133k views
An epidemic that becomes unusually widespread and even global in its reach is referred as an_____
answered Mar 31, 2019
5 votes
202k views
Looking at the same nonmetal group on the periodic table, how does the reactivity of an element in period 2 compare to the reactivity of an element in period 4? A. The period 2 element would be more reactive
answered Dec 22, 2018
1 vote
39.3k views
Which type of preservation is made when a mold fills in with sediment, showing the exterior features of an organism? A. Trace fossil B. Carbon film C. Cast D. Microfossil
answered Oct 26, 2018
2 votes
190k views
“Let’s have a look beyond that door, David,” he cried. 2 Together we stepped out to stand in silent contemplation of a landscape at once weird and beautiful. Before us a low and level shore stretched down
answered Oct 9, 2018
1 vote
185k views
What is the greatest integer that satisfies the inequality 3x-4≤8 ? A.4 B.5 C.6 D.7
answered Apr 15, 2018
4 votes
205k views
An object is dropped from a bridge and allowed to freefall to the ground. The height of the object over time can be modeled using h(t) = 144 – 16t2. How many seconds will it take the object to reach the
answered Feb 18, 2018
1 vote
160k views
Although the percentage of teens smoking has gone done in recent years, the number is still approximately ______ percent. A. 30 B. 20 C. 10 D. 40
answered Feb 13, 2018
5 votes
50.3k views
A MUTATION THAT KNOCS OUT GTPase ACTIVITY OF A G PROTEIN WOULD HAVE WHAT EFFECT ON CELL?
answered Feb 11, 2018
2 votes
17.9k views
Without photosynthesis, we would have no food. true or false
answered Sep 1, 2017
2 votes
227k views
What is ↓ when n = 8? (n-5)•6 ------------ n÷4
answered May 11, 2017
4 votes
98.0k views
Who founded the United negro improvement association, which stressed the need for black-owned businesses? A) Tony Brown B) Paul Lawrence Dunbar C) Robert Johnson D) Marcus Garvey
answered Apr 12, 2017
5 votes
14.5k views
What were three changes brought about by the Industrial Revolution? Question 1 options: A) Only the wealthy could afford to buy items after the industrial revolution. B) Machinery was used to produce goods
answered Mar 19, 2017
5 votes
184k views
Which of the following are ways to conserve resources? A. compost bins B. rain barrels C. solar panels D. All of the above
answered Jan 23, 2017
2 votes
234k views
Is it ok to be proud of your skin color
answered Mar 14, 2016
5 votes
85.2k views
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