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What is group 18 of the periodic table called A metals B nonmetals C metalloids D noble gases
answered
Dec 6, 2018
Physics
middle-school
2
votes
104k
views
________ spend almost all of their time on the ground instead of in trees.
answered
Sep 28, 2018
Biology
college
1
vote
55.7k
views
The idea that species evolve at a slow constant rate is called
answered
Sep 8, 2018
Biology
college
1
vote
62.5k
views
A mi hermano le gusta cartas
answered
Jun 26, 2018
Spanish
high-school
0
votes
27.4k
views
The weight of an empty pickup truck is 2.1 times the weight of an empty car. If the empty car weighs 1.8 tons, how many tons does the pickup weigh carrying a 0.5 ton load
answered
Jun 14, 2018
Mathematics
middle-school
2
votes
31.1k
views
Which explains why there is so little information about the Indus Valley civilization? A. The ruins of the Indus Valley civilization had been pilfered of artifacts. B. No one has been able to translate
answered
May 13, 2018
History
middle-school
1
vote
82.5k
views
Prove: 1-tan^2 x/ 1+tan^2 x= 1-sin^2 x
answered
Feb 14, 2018
Mathematics
high-school
3
votes
185k
views
A torque of 50 N*m acts on a wheel of moment of inertia 25 kg*m^2 for 4 s and then is removed. b)How many revolutions does it make in 15 s if it starts at rest? I found the angular acceleration, 2 rad/s^2,
answered
Nov 20, 2017
Physics
high-school
4
votes
45.2k
views
Which behavior of light makes it possible for you to see a spectrum of colors in a spray of water on a sunny day? diffusion
answered
Sep 22, 2017
Physics
high-school
4
votes
101k
views
Proponents of "scientific racism" argued that A) race could be biologically defined and characterized. B) western dominance was justified on the basis on racial superiority. C) the theories of Charles
answered
Jun 30, 2017
History
high-school
5
votes
161k
views
The main purpose of the Monroe Doctrine (1823) was to (1) stake a claim to Mexican territory (2) limit European influence in the Americas (3) force the British out of the Oregon Territory (4) establish
answered
Oct 10, 2016
History
high-school
2
votes
46.9k
views
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