This contributes because their lifestyle revolves around food, and if they live near different areas, they will have to search for different types of food.
Honestly it would be the Exosphere<span> but since that's not one of the choices it would be the Thermosphere. </span>
Answer:
D, think of chemical changes. When iron rusts it is chemically changed. The other answers are a change in form or a property of iron.
Answer:
Estimated Guess so D because if there are more then 10 rabbits you do not want to count every single one. So you would look at how many five are and see how many groups look like about 5 and then guess from there. So an estimated guess would quickly and easily get you a decent amount close to counting them.
Hows that for an answer.