What is a vertebrate?
O
A. A protostome with a skull
O
B. A deuterostome with a backbone
O
C. A choanoflagellate with a nucleus
O
D. A coelem with more than one cell

Iwill make you brainliest pleeze answer this fast i have to turn it in really soon brainliest promise easy question 6th grade ! a weather map shows a high pressure system with circles around it. what does this mean? a) an occluded front b) areas of equal altitude c) areas of equal pressure d) a stationary front