Answer:
Models make some things easier to understand.
Measurements can be made only on models.
Models help scientists visualize things they can’t see.
Models are perfectly accurate representations of objects.
Scientists can analyze models to make predictions.
Explanation:
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<span>The first thing that needs to be done in order to answer the question above is to balance first the chemical equation by seeing to that the number of moles of a certain element on the reactant side is equal to the number of moles in the product side. 4NH3 + 5O2 4NO + 6H2O The mole fraction between the NH3 and NO is therefore 4:4 or 1:1.</span>
Answer:0.286M
Explanation:
10.7g / 149.89g/mol×0.25L
Increasing every day. in 2013, we had about 7.125 Billion. in 9160, we had closer to 3 billion. It is still on a pretty steady clime today.
When a female animal and a male see each other the male would show off and they woulf matr and make a baby then the babys will grow up and make more