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.
O2 (oxygen) is a covalent compound
The answer is commensalism because the hermit crab doesn’t cause harm
Fossils give information about the time period in which organisms lived in the past.
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Answer:</h2><h2><em><u>Option</u></em><em><u> </u></em><em><u>B</u></em><em><u> </u></em></h2><h2><em><u>I</u></em><em><u> </u></em><em><u>think</u></em></h2>
<em>Zero Waste: The conservation of all resources by means of responsible production, consumption, reuse, and recovery of products, packaging, and materials without burning and with no discharges to land, water, or air that threaten the environment or human health.”</em>