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Describe two differences between Mendeleev's periodic table and the modern periodic table
asked
Apr 16, 2016
Physics
middle-school
1
answer
2
votes
150k
views
Liz wants to drink 1.5 litres of water each day. She buys the water in packs of 6 bottles. Each bottle contains 0.5 litres of water. How many packs of water does she need to buy for 10 days
asked
Oct 18, 2015
Mathematics
high-school
2
answers
3
votes
29.8k
views
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