Brief explanation of laser hazard ​

Injuries resulting from staring into the laser beam include permanent damage to the eye and subsequent partial or total loss of vision. Injuries from lasers can also occur when the beam is shone into the eyes of unsuspecting people. This can result in a 'dazzle effect' where the exposure leads to disorientation.

have a good day friend

have a good day friend

answer; ///i believe the correct answer is (b) the writing of the ancients who lived in india after the indus valley inhabitants died out;

the aksumite empire was an ancient kingdom located in what is now northern ethiopia from the period of 100 ad to 940 ad. its capital was the city of aksum. the kingdom established itself as one of the 4 great powers at its time, along with persia, rome, and china.

the kingdom was rich in goods like gold, iron, and salt. it established strong commercial ties with the regions governed by rome, egypt, and persia (arabia). aksum was a key location in this commercial network. trade was also facilitated with the introduction of the aksumite currency.