Answer:
Mountains and bodies of water
Explanation:
Mountains and bodies of water protected empires as it was the mountains that served as a barrier that protected ancient China and was used as an invasion route by the Aryans into ancient India also water bodies provided agricultural facilities which helped in allowing the empires become more successful.
Answer:
An objective, rather than an imaginative and escapist, study of human beings.
A belief that at person is governed by his or her passions, heredity, and surroundings, and often is subordinate to the social environment of which he/she is a part.
Temperature hope this helps <span />
Answer:
timbre
Explanation:
The timbre is associated with the waveform and allows us to distinguish sounds of the same frequency produced by different instruments or similar voices from different people. The tone is characterized by the composition of frequencies that constitute the sound wave emitted by the instrument, or by the voice. The tone is also called sound quality. For this reason, when Fred says he can differentiate his mother's voice from his sister's because of the difference in voice quality, Fred is referring to the Timbre.
Andy displays a Duchenne smile which is believed to be the true smile of happiness while Brad has used a fake smile because it did not involve his eyes but he only smiles using his mouth.
