Explain your reasoning for distributing the pints of
blood the way that you did.

There is no O– blood, so Patient 1 can only receive the B– pint.

There is no O– blood, so Patient 4 can only receive the O+ pint.

The only remaining blood is B– and AB–.

Patient 2 can only receive the AB– pint.

Patient 3 can only receive the A+ pint.

Explanation:

oceans

indian ocean

pacific ocean

atlantic ocean

arctic ocean

southern ocean