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Answers by Demp

Answers by Demp
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What actions of the heart make the first and second sound of a heartbeat?
answered Jan 18, 2021
3 votes
48.5k views
Mendels law can be used to blank and understand the results of certain kinds of blank
answered Dec 19, 2020
2 votes
58.2k views
What are some of the reasons scientists prior to the Leakeys believed that humans originated in Europe or Asia?
answered Sep 26, 2020
2 votes
222k views
Which is an example of nonverbal communication? A. Controversial opinions B. Questioning an audience C. A phone conversation D. Eye contact
answered Aug 23, 2020
5 votes
58.3k views
Square root of 65 simplified
answered Jul 26, 2020
3 votes
179k views
A die is rolled. What is the probality of rolling a 2 or a 6
answered May 9, 2020
4 votes
61.3k views
Jane addams, founder of the settlement house movement, stated:
answered Aug 17, 2019
3 votes
57.9k views
I need what kind of energy is number two
answered May 28, 2019
6 votes
230k views
How did political machines contribute to urban political corruption
answered Mar 20, 2019
0 votes
92.4k views
Explain how a seismometer works
answered Mar 12, 2019
4 votes
192k views
The caretaker of a farm feed hay to the cows to produce milk from them. How much energy will the cows get from the hair?
answered Feb 27, 2019
3 votes
1.3k views
Normal wear and road conditions can take their toll on a car’s steering and suspension system, altering __________. A. wheel alignment B. gear ratios C. tire air pressure D. brake operation
answered Jan 7, 2019
7 votes
136k views
What is the best approximation for the perimeter of a semicircle with a diameter of 64 meters?
answered Dec 25, 2018
6 votes
26.2k views
What innovations or changes helped bring about a change in women's roles in the 19th century?
answered Nov 7, 2018
7 votes
141k views
Given: 1/3x + y = 15. Which of the following are ordered pairs of this equation? a.{(-3, 14),(0, 15),(3, 16)} b.{(-3, 16),(0, 15),(3, 14)} c.{(16, -3),(15, 0),(14, 3)} help plz
answered Mar 13, 2018
4 votes
145k views
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