About 1/3 of earth's land surface is used for agriculture.
Answer:
The features that are found in both cartilage and bone are, living cells embedded in a matrix
Explanation:
Actually it is the females the mostly build the nests the males will help build it sometimes both males and females will build it but typically it is females and that goes for all birds.
"Females typically build nests, but sometimes both parents or just the male"