Answer:
<h2>main sequence</h2>
Explanation:
<h3>The Hertzsprung–Russell diagram, or H–R diagram, is a plot of stellar luminosity against surface temperature. Most stars lie on the main sequence, which extends diagonally across the H–R diagram from high temperature and high luminosity to low temperature and low luminosity.</h3>
<h2>____________________(◕ᴗ◕✿)</h2>
<h2>
<u>PLEASE</u><u> </u><u>MARK</u><u> ME</u><u> BRAINLIEST</u><u> AND</u><u> FOLLOW</u><u> ME</u><u> LOTS</u><u> OF</u><u> LOVE</u><u> FROM</u><u> MY</u><u> HEART'AND</u><u> SOUL</u><u> DARLING</u><u> TEJASVINI</u><u> SINHA</u><u> HERE</u><u> ❤️</u></h2>
Answer:
Stress occurs when the body physically sustains grave injury due to environmental factors.
When its traveling down the fallopian tube in this process it starts to divides to form a ball of cells called a blastocyst . hope this helps you :)
