Pope Leo III crowned Charlemagne emperor in exchange for the protection of an army.
Answer:
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Answer:
is unaware; is aware
Explanation:
Single bind study: In psychology, the term "single-blind study" is described as one of the different research methods that involve a particular research procedure whereby the researchers or the experimenters don't tell the subjects or participants whether they're being provided with a control treatment or a test treatment.
Example: In a single-blind study, participants don't know whether they're taking a placebo or experimental drug.
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Answer:
It refers to all natural resources which are free gifts of nature. Land, therefore, includes all gifts of nature available to mankind—both on the surface and under the surface, e.g., soil, rivers, waters, forests, mountains, mines, deserts, seas, climate, rains, air, sun, etc.
Explanation: