Whenever the Moon, Earth and Sun are aligned, the gravitational pull of the sun adds to that of the moon causing maximum tides. Spring tides happen when the sun and moon are on the same side of the earth (New Moon) or when the sun and moon are on opposite sides of the earth (Full Moon) Hope this helped
The race of humans is a groping of the people based on there distinct view firm the community and are also referred to as those speaking a common language and are devoted to there national affiliations. And is also refers to as a social construct and a national identity. And is partially based on physical similarities.
<u>While ethnicity is a category of people they are identified on the basis of the common presumed genealogy or ancestry common dialect, language and culture, and nation. Like the indigenous groups worldwide.</u>
