2.5 billion years ago
you're welcome :)
Errors that may happen in the execution of a factual examination outline. Kinds of trial error incorporate human error or missteps in information section; methodical error, or oversights in the outline of the investigation itself; or irregular mistake, caused by natural conditions or other capricious variables.
Another name for unicellular organisms that dominated Earth up to the Precambrian time is prokaryotes. The correct answer is D.
The carbon dioxide escapes, and bubbles forth as a gas. Baking soda and vinegar react<span> with each other because of an acid-base </span>reaction<span>. </span>Baking soda<span> is a bicarbonate (NaHCO3) and </span>vinegar<span> is an acetic acid (HCH3COO)</span>
The answer is D, <span>Each daughter molecule contains one DNA strand from the parent molecule.</span>