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I NEED HELP PLEASE!!!!! John Dalton's atomic theory contains 4 postulates. Which postulate(s) still hold(s) true today. Mark all that apply. * Atoms of different elements can combine physically and chemically.
answered
Nov 20, 2018
Chemistry
high-school
2
votes
234k
views
How do you make 'a' the subject of the formula: ab - cd = ac
answered
Oct 24, 2018
Mathematics
high-school
6
votes
11.2k
views
If arranged in order of increasing atomic mass, which element would come after chlorine?
answered
Sep 7, 2018
Chemistry
high-school
4
votes
149k
views
The outer edge of the nostril is called the
answered
Feb 22, 2018
Biology
high-school
6
votes
87.2k
views
Consider the cell structure that is shown below Which is a function of the structure that is represented in the image?
answered
Feb 13, 2018
Biology
high-school
4
votes
132k
views
I need help on SAT prep
answered
Feb 10, 2018
Mathematics
high-school
2
votes
190k
views
Two ways in which entrepreneurship can help to combat unemployment and improve the economy of south africa
answered
Dec 2, 2017
Business
high-school
1
vote
149k
views
Which of the following is an important belief held by Romantic poets? Reason is a better way to truth than imagination. Children are innocent and therefore closer to nature than adults are. Poetry and
answered
Aug 16, 2017
English
high-school
4
votes
57.0k
views
the introduction of cheap iron weapons meant that greek ordinary citizens could arm themselves. How might the ability to own weapons change the outlook of ordinary citizens?
answered
Dec 23, 2016
History
high-school
1
vote
116k
views
Find the sum 3 2/5 - 1 1/5
answered
Jun 4, 2016
Mathematics
middle-school
3
votes
88.5k
views
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