No, although there are several theories with increasing evidence, there is still no way to know for sure how it occurred. The great mystery of the beginning of universe is way too vast and vague. Theories can only be proven by presenting a solid proof, but great creations such as universe itself doesn't have to be solved. Various possibilities must have happened or there must be a one conclusion leading to its existence; but moreover, it is not our problem to solve. The confirmation of beginning of its existence will only feed the curiosity of humans.
Answer:
The sun
Explanation:
The is because the sun is the souce of energy
A. The great egret. It has a similar hunting area (the edge of the pond) and also eats fish, as well as other similar prey to the great blue heron
TCCGGAAT I hope that helps.
