Why does a graph of CO2 emissions through time have annual fluctuations that correspond with the seasons? I give Brainliest!

What are the first three quantum numbers for the electrons located in subshell 2s?

Condensation happens when water vapor cools. true or false? ?

In order for a high temperature boiler or steam engine to produce superheated water, or steam: the heat source must be greater than 100°c the water must be permitted to evaporate quickly the system must be sealed and become pressurized above atmospheric pressure the vapor pressure must be kept below 760 mm(hg)