Besides temperature and precipitation, which other factor does the Köppen climate classification system use to
define climate regions?
altitude
hemisphere
solar energy
vegetation?

a. they are both space stations

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pls mark as brainliest.

your answer is a. the enthalpy of formation for a pure element in its standard state is always positive.

a 20-cm-long, cylindrical graphite (pure carbon) rod is inserted into an oxidizing atmosphere at 1145 k and 1.013 x 105 pa pressure. the oxidizing process is limited by the diffu- sion of oxygen counterflow to the carbon monoxide that is formed on the cylindrical surface.