D.Red blood cells contain a protein that binds with oxygen.
The protein is called Hemoglobin
A. Investment percentages and maturity delegations
Answer: From the given comprehension if the following statement is true, will most seriously weakens the argument: <u><em>Among the entrepreneurs surveyed, those who did not produce formal business plans sought and received a much larger proportion of their capital from investors with whom they had a long-standing business relationship.</em></u>
<em>Here it states that, entrepreneurs who were capable of raising funds without thought/design were able to make the capital because of their relation with investors.</em>
<u><em>Therefore, the correct option here is (c).</em></u>
