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6 Answered Questions for the topic SCIENCE!

Science!

08/22/18

A train travels 86 kilometers in 2 hours, and then 59 kilometers in 2 hours. What is its average speed?

how am I suppose to work this out its very confusing and I cant use a calculator
Science! Science

05/27/18

Consider the equation 4HCl +O2 2H2O + 2cl2 How may moles of HCl are needed to form 0.35 moles of Cl2?

please answer this question
Science! Science Chemistry

05/10/18

how does purity improve accuracy

I need help with this question
Science! Science Biology

04/16/18

what is double-blind tests?

I need help with this question
Science!

03/27/18

Does a battery convert chemical energy to electrical energy

Science!

11/15/17

when will all trees be cut down in the world?

For science, We need to learn about trees. I thought of a fascinating question of Whe will all trees be cut down in the world.  I hope you can get to me soon! Thank you!!!

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