Examlex
Helioseismology maps of rotation in the Sun's interior show that its internal gases rotate with equal periods.
Agricultural Economies
Economic systems primarily based on the production, distribution, and consumption of agricultural goods and services, often characterized by a reliance on farming and livestock.
Foraging
The act of searching and obtaining food resources in the wild, practiced by humans and animals alike.
Climate Changes
refers to significant and lasting changes in the statistical distribution of weather patterns over periods that range from decades to millions of years.
Herd Animals
Animals that naturally live, travel, and graze in groups, displaying collective behavior for protection and efficiency.
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Q68: The hydrogen lines of spectral type A