Answer:
an act or instance of viewing
Explanation:
an act or instance of viewing or noting a fact or occurrence for some scientific or other special purpose: the observation of blood pressure under stress. the information or record secured by such an act. something that is learned in the course of observing things: My observation is that such clouds mean a storm.
Do not drink mercury .
Walls are effective .
Guns are better than swords. Fireworks are cool , and can be made into bombs .
A president is better than a royal family .
An entrepreneur could start his own business.
Is this one of your answers?
I think its D. mummification of the dead
Hope this helps :)