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Machines are never 100 percent efficient because some work is used to overcome friction and inertia. True False
answered
May 20, 2019
Chemistry
middle-school
6
votes
170k
views
Select all the correct answers. What were two ways that the Jewish Diaspora affected the development of the religion? Jews began to more closely follow the Ten Commandments. Rabbis emerged as religious
answered
Feb 20, 2019
History
high-school
2
votes
57.3k
views
I need dire help with Exercise 2, numbers 1 through 5. I’m did them all, but I’m not sure of any of them at all. I also feel as if number 5 makes the least sense to me. Does “to come” count as a prepositional
answered
Jan 22, 2019
English
middle-school
5
votes
2.3k
views
How to graph 2 (X+4)^2-6?
answered
Sep 22, 2018
Mathematics
high-school
1
vote
201k
views
What is the value of x in the equation 0.2(x + 1) + 0.5x = –0.3(x – 4)?
answered
Jun 8, 2018
Mathematics
high-school
3
votes
207k
views
Plz help I need the answers soon ! having a break down im so confused "The constitutional prohibition against laws respecting an establishment of religion must at least mean that, in this country, it is
answered
Feb 25, 2018
History
high-school
5
votes
162k
views
Which of these characteristics is common only at the embryonic stage of fish and humans, and is suggestive of a common ancestor between the two?
answered
Jan 21, 2018
Biology
middle-school
5
votes
98.2k
views
Four points are graphed on the number line below.
answered
Sep 30, 2017
Mathematics
middle-school
7
votes
163k
views
Which of the following must unicellular organisms do to maintain homeostasis? A. Specialize cells to perform specific functions B. Organize cells into tissues C. Use chemical signals to communicate between
answered
Jul 10, 2017
Biology
high-school
1
vote
28.4k
views
Producers are the most important link in the food chain because they _____. A.are a food source for all comsumers B.add nutrients to the soil C.keep dead animals from building up
answered
Jun 27, 2017
Biology
high-school
2
votes
166k
views
What features have enabled Hinduism to develop freely in many directions
answered
Sep 7, 2016
History
high-school
3
votes
47.6k
views
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