Identify the true statement. a. Summer occurs in the northern hemisphere during an equinox. b. During northern hemisphere summer, the North Pole sees sunlight even at midnight. c. Seasons would still occur if the Earth sat upright (vertically) in space. d. The Earth has two solstices, in March and September, when the Sun is directly overhead at the equator.

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Explanation:

developed and developing countriescountries are divided into two major categories by the united nations, which are developed countries and developing countries. the classification of countries is based on the economic status such as gdp, gnp, per capita income, industrialization, the standard of living, etc. developed countries refers to the soverign state, whose economy has highly progressed and possesses great technological infrastructure, as compared to other nations.