Answers by Hossein Ebrahimi
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Answers by Hossein Ebrahimi

Answers by Hossein Ebrahimi
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What is the mass of 1 mole of Pb?
answered May 9, 2019
2 votes
33.3k views
Evaluate the determinant for the following matrix:
answered Feb 21, 2019
4 votes
131k views
PLEASE HELP!!! I ONLY HAVE 20 minutes LEFt I LOVE U FOREVER Which statements describe the importance of the nitrogen cycle to living things? Check all that apply. It provides a source of water. It helps
answered Feb 11, 2019
4 votes
30.2k views
How much NaAlO2 (sodium aluminate) is required to produce 5.01 kg of Na3AlF6?
answered Feb 8, 2019
4 votes
120k views
Can laws in science change
answered Dec 29, 2018
5 votes
7.1k views
There are 1,920 fence posts used in a 12km strech of fence.how many fence posts are used in 1km of fence. A.150 B.160 C.155 D.180
answered Dec 3, 2018
6 votes
214k views
Read the paragraph from an e-mail. Students who visit the school library can’t find the materials they need for reports or projects. There are also so few fiction books available that most students don’t
answered Jul 4, 2018
2 votes
19.5k views
What did I do wrong I really need help!!!!!!!!!!!!!!!!!!!
answered Feb 12, 2018
4 votes
196k views
No recommendations are made for how much sugar should be consumed, so the label contains no daily reference for sugar. true false
answered Oct 8, 2017
5 votes
157k views
What Chinese philosophy was based on the teaching of laozi
answered Jun 21, 2017
3 votes
80.4k views
Why have improvements in microscopes over time resulted in revisions in the cell theory? They have revealed new information about cell structure and processes. They have made microscopes easier to use.
answered May 17, 2017
4 votes
7.7k views
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