menu
Qammunity.org
Questions by Marek Szmalc
Login
Register
My account
Edit my Profile
Private messages
My favorites
Questions by Marek Szmalc
Ask a Question
Questions
Unanswered
Tags
Ask a Question
Questions by Marek Szmalc
Filter
User Marek Szmalc
Recent activity
All questions
All answers
Suppose you have 100 grams of radioactive plutonium-239 with a half-life of 24,000 years. how many grams of plutonium-239 will remain after a.12,000 years b.24,000 years c.96,000 years?
asked
May 3, 2018
Chemistry
high-school
1
answer
1
vote
105k
views
10 POINTS :) You can buy certain supplies in the European Union or in South Africa. For the moment, ignore other factors that can affect price. Would it be cheaper to buy your supplies in the European
asked
Apr 7, 2017
History
middle-school
1
answer
4
votes
38.8k
views
How did the Arabs build a successful empire?
asked
Aug 11, 2015
History
high-school
1
answer
3
votes
219k
views
Page:
« prev
1
2
3
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.
9.4m
questions
12.2m
answers
Search Qammunity.org