Which is considered a scientific observation

The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol

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

Match each term to its best definition? sedimentary depositional enviornment