What is the mark left when the cord is disconnected form the baby

Which plains area lies in both the united states and canada? altiplano central canadian shield coastal plains great plains

Out of the seven main animal groups (fish, mammals, birds, insects, reptiles, amphibians, and arachnids), how many contain members with internal backbones? a. 5 b. 3 c. 7 d. 1

Does masterbation affect height growth or loss of growth hormone?