3. A rock is am mineral forming from the earth.
4. Sedimentary,ingenious,metamorphic
5.mineral
A kestrel, because a consumer is defined as an animal that eats other animals in a food chain (kestrels are the only organism here that consume other animals)
<span>it would be speciation</span>
Making rough estimate of physical quantities is useful because it allow us to have an idea of how big or small a quantity is, it gives us the near result of the real quantity a matter contains. The approximate quantity obtained will give us information about the size of the quantity.