4. People living in northern environments are more likely to suffer from seasonal affective disorder
(SAD), which is a form of depression associated
with low winter light levels. How is SAD an
example of the relationship between the biotic and
abiotic parts of an ecosystem?

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In any energy conversion, some of the energy is lost to the environment as question 5 options: electrical energy potential energy sound energy thermal energy

What substance has a mass of 9.5g and volume of 2.1cm^3

In vapor-liquid equilibrium in a binary mixture, both components are generally present in both phases. how many degrees of freedom are there for such a system? the reaction between nitrogen and hydrogen to form ammonia occurs in the gas phase. how many degrees of freedom are there for this system? steam and coal react at high temperatures to form hydrogen, carbon monoxide, carbon dioxide, and methane. the following reactions have been suggested as being involved in the chemical transformation: