practice with people (parents, friends, siblings) and ask them to ask questions during it so you can learn how to keep focus and memorization, or practice in front of stuffed animals. read it out loud on recording, then practice saying it with the recording without the words in front of you. you'll do great! :)
D the expansion of their territory
Density can be useful in identifying substances. It is also a convenient property because it provides a link (or conversion factor) between the mass and the volume of a substance. Mass and volume are extensive (or extrinsic) properties of matter - they depend on amount.
A, An ancestor of whales had legs. Hope i helped! :D