What type of margin does an apple plant leaf have?

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

Which was most likely an effect on society that resulted from improvements in blood handling during world war i and world war ii?

The cretaceous period spanned the time interval between and 65 million years ago. 250 million 144 million 75 million 200 million