Are these the correct answers?

If two parents who's blood types are both b produce a child that has blood type o, what can you say about the parent's genotybes? oa) one is ii ob) one is ibi oc) both are bi od) nothing, this is impossible

What is the inability of an individual or a society to achieve a minimum standard of living known as ?

Which of the following is a period in the paleozoic era? devonian cambrian permian all of the above