Treelike ferns first began to grow and populate
Answer: The difference between the nuclear family and the extended family is that a nuclear family refers to a single basic family unit of parents and their children, whereas the extended family refers to their relatives, such as grandparents, in-laws, aunts and uncles, and many more
Explanation:
It is a convection current shown in an ongoing cycle creating new earth and recycling old
Answer:
A
Explanation:
because they are kept on certain criteria and boundaries.