<span>There will be a shape change of the active sites of the enzyme</span>
Carbon, oxygen, & hydrogen may all be elements found in ethanol, but when separated, they have completely different chemical compounds. They are pure elements where as ethanol is a mixture.
Answer: C
Explanation: Relative dating is used to determine a fossils approximate age by comparing it to similar rocks and fossils of known ages.
Answer:
Two and a half billion years ago, single-celled organisms called cyanobacteria harnessed sunlight to split water molecules, producing energy to power their cells and releasing oxygen into an atmosphere that had previously had none.
Explanation: