Social change bring two types of changes one is positive change, which helps human life. Other type is negative in direction for which man show his resistance.
Answer:
2. The star is a member of binary eclipsing star system.
Explanation:
The question above shows an example of an eclipsing binary star. This type of star is very variable because the intensity of its brightness varies in the deccore of a few hours. This is because these stars are so close to an observer's field of view on the Earth's surface that they are easily eclipsed, and it is exactly these eclipses that cause the brightness of these stars to vary, which undergo a constant period of approximately 73 hours. intense shine, followed by constant drops in the intensity of that shine (lasts about 2 hours).
What are the unfavourable conditions for the selection of National Languages among African Nations?
2. Distinguish between bridewealth and dowry an illustrate ..
<em>Note</em><em>: Add more detail, like the answer choices to get a more accurate answer.</em>
The answer would be B.) Brown Vs. Board of education because The United States Supreme Court declared state laws establishing separate public schools for black and white students to be unconstitutional.
