Ammonia, NH3 is a gas at room temperature. Water, H2O is a liquid at room temperature. How would you explain this observation

Which statement is a reason to support population regulation? a) it is unethical for us to control birth control rates b) humans have the freedom to produce as many children as desired c) the gap between the rich and poor has been narrowing since 1960 d) billions more people on the earth will intensify many environmental and social problems

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How does the principle of electromagnetism explain the interaction between earth’s magnetic field and the solar wind?