You find some grapefruit-sized, rounded rocks that appear to have flown through the air from a nearby volcano from long ago. identify this kind of rocks.

a. cinders or lapilli
b. solid aa lava
c. solid pahoehoe lave
d. volcanic bombs

"Volcanic bombs" is the one among the following choices given in the question that is the type of rocks described in the question. The correct option among all the options that are given in the question is the fourth option or option "D". I hope that this is the answer that has actually come to your help.

Hey there! something that is given up as the result of a choice is referred to as  a decisionwhen you have a choices that are being refereed, this would mean that this would be a decision.~jurgen