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Answers by Moppo

Answers by Moppo
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How old is the earth? 2020 years olds?
answered Jun 19, 2021
3 votes
128k views
In fission, a heavy nucleus is split into two lighter ones with the liberation of __(electron, proton, or neutron)__ and __(mass or energy)__.
answered May 19, 2021
0 votes
208k views
Mama jest trzy razy starsza od córki, a babcia jest dwa razy starsza od mamy. Córka, mama i babcia mają razem 120 lat. Ile lat ma córka? Wybierz poprawną odpowiedź spośród podanych. A.6 B.7 C.12 B.20
answered May 11, 2021
5 votes
65.4k views
Why did the United States refuse to join the League of Nations? What bigger message did this send to other countries? Min 2 sentences.
answered Apr 18, 2021
3 votes
202k views
George Washington served as president for how many terms? 1. One term 2. Two terms 3. Three terms 4. Four terms
answered Apr 7, 2021
4 votes
144k views
7. Samantha says, "A positive number added to a negative number is greater than zero." Is this always true, sometimes true, or never true? Explain.
answered Mar 5, 2021
5 votes
126k views
What happens to the volume if you double one of the dimensions
answered Nov 12, 2020
2 votes
18.2k views
A science class is tracking the progress of plant growth. The class starts the experiment with a plant five centimeters high. The plant grows two centimeters each day. The model for plant growth 'y' is
answered Nov 9, 2020
0 votes
16.2k views
which list shows the numbers in order from least to greatest? a. 4.5 × 104, 5.4 × 103, 5.4 × 104 b. 5.4 × 104, 5.4 × 103, 4.5 × 104 c. 5.4 × 103, 5.4 × 104, 4.5 × 104 d. 5.4 × 103, 4.5 × 104, 5.4 × 104
answered Oct 28, 2020
4 votes
194k views
What are the x- and y-intercepts of y=-3x -9?
answered Oct 3, 2020
1 vote
109k views
A right rectangular prism has these dimensions: Length: Fraction 1 and 1 over 2 units Width: Fraction 1 over 2 unit Height: Fraction 3 over 4 unit How many cubes of side length Fraction 1 over 4 unit are
answered Jun 27, 2019
5 votes
37.4k views
Which statements describe seismic waves? Check all that apply. A.They carry energy. B.They move in one direction. C.They travel from the epicenter. D.They are produced by earthquakes. E.They vibrate throughout
answered May 2, 2019
4 votes
158k views
For the reaction cyclopropane(g) → propene(g) at 500◦c, a plot of ln[cyclopropane] vs t gives a straight line with a slope of −0.00067 s−1 . What is the order of this reaction and what is the rate constant?
answered Feb 25, 2019
1 vote
105k views
Use the identities for the cosine of a sum or a difference to write the expression as a single function of x. cos(90−x)
answered Jan 6, 2019
7 votes
151k views
What would happen if our Atmosphere consisted of pure oxygen?
answered Dec 28, 2018
5 votes
49.5k views
Which shows a correct plan to solve this problem? Jay was organizing his personal library. He has 12 mystery books, 6 nature books, and 2 biographies. He wants to put his mystery books into baskets. Each
answered Nov 9, 2018
6 votes
190k views
For a perfectly competitive market to function properly, which of the following must buyers and sellers have access to? economies of scale adequate information uncompetitive products sufficient technology
answered Jun 9, 2018
5 votes
113k views
Adding enough what to a system can change the substances in a system
answered Jul 24, 2017
2 votes
81.7k views
how do u start a paragraph when u are writing about 3 awesome things that happened in your life?like for example when you first got your drivers licence
answered Mar 30, 2015
1 vote
235k views
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