Answers by Evkwan
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Answers by Evkwan

Answers by Evkwan
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How should scientists set up the control group in this experiment?
answered Aug 21, 2022
6 votes
234k views
A 128 gram Radium-226 sample with a half-life of 2.25 billion years is found. How many grams will remain after two half-lives? A 16 grams B.32 grams C.64 grams D.128 grams
answered Jul 25, 2022
3 votes
140k views
Calculate the concentration of hydrogen ions in a healthy person’s blood that has a pH of 6.40.
answered Jun 21, 2022
5 votes
215k views
8u^2- 42u^2 Help plzz
answered May 1, 2022
3 votes
101k views
II. Self-determination 11. Freedom of the Seas III. League of Nations IV. End to Expanding Democracy All explain Wilson's key points in Wilson's Fourteen EXCEPT —
answered Apr 30, 2022
3 votes
133k views
X+3238-f385cdv/3 help me
answered Mar 24, 2022
5 votes
40.6k views
What is this and can you please explain how you solved this problem?33x + 99= 1650
answered Mar 11, 2022
2 votes
223k views
A telephone pole that is 14 ft. tall has fallen against a house. If the top of the telephone pole touches the house 10 ft. above the ground, what is the angle that the telephone pole makes with the ground?
answered Jan 22, 2022
6 votes
210k views
Scientists have developed a strain of bacteria that can manufacture human insulin. What scientific technology did they use to make this new form of bacteria?
answered Dec 29, 2021
3 votes
32.7k views
Express the number 6.13 x 10 in decimal notation.
answered Dec 7, 2021
3 votes
41.0k views
If a nation has a balance of payments deficit and exchange rates are flexible, the price or value of that nation's currency in the foreign exchange markets will rise. true or false
answered Nov 27, 2021
3 votes
56.9k views
Am I wrong? I’m not good at history...
answered Nov 25, 2021
4 votes
96.0k views
So the value of x must be _____
answered Sep 30, 2021
1 vote
179k views
What types of materials are expelled from cells during exocytosis? Question 8 options: large molecules such as hormones positive and negative ions small molecules such as carbon dioxide water and glycerol
answered Sep 20, 2021
4 votes
10.9k views
HELP ME! PLEASE! PLEASE! PLEASE!
answered May 20, 2021
2 votes
169k views
Write a brief summary of World War I
answered Mar 15, 2021
3 votes
216k views
What is one fourth of 36,500,000 in scientific notation
answered Mar 5, 2021
0 votes
191k views
When substance change state, the mass stays the same. True False
answered Feb 20, 2021
3 votes
60.3k views
What is the slope of the line?
answered Feb 10, 2021
5 votes
71.4k views
A composite figure is divided into two congruent trapezoids, each with a height of 4 cm. 2 trapezoids. Both trapezoids have base lengths of 10 centimeters and 6 centimeters, and a height of 4 centimeters.
answered Feb 1, 2021
5 votes
169k views
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