Explanation:
Horace Mann
Credit for our modern version of the school system usually goes to Horace Mann. When he became Secretary of Education in Massachusetts in 1837, he set forth his vision for a system of professional teachers who would teach students an organized curriculum of basic content.
Answer:
D- TIMBRE
Explanation:
TIMBRE is what makes a note played on a flute or musical instrument have a different sound from another when they sing the same note which produce complex sounds. in another term timbre is what makes a particular musical sound have a different sound from another or the characteristic quality of tone that makes two voices or sounds different, Thereby making the quality of a sound unique.
Timbre can help to distinguish one sound from any other sound.
The correct option is HUMANISTIC THEORY OF MOTIVATION.
This theory is based on the fact that humans have basic needs, which must be met. The basic physiological needs of man include food, water, shelter and clothing. One needs money to secure all these needs. Thus financial security is one of the component of humanistic theory of motivation.<span />
The calendar that is used for secular purposes in the industrial world today is the <u>Gregorian calendar</u>.
<h3>What is the Gregorian calendar?</h3>
This most common calendar is also called New Style calendar which uses the solar dating system and now in general use. The Gregorian calendar was proclaimed in 1582 by Pope Gregory XIII as a reform of the Julian calendar.
In this calendar, the solar year comprised 365 1/4 days and the intercalation of a “leap day” every four years was intended to maintain correspondence between the calendar and the seasons. Also, there is a slight inaccuracy in the measurement which caused the calendar dates of the seasons to regress almost one day per century.
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