molten rocck near ground water supplies
An exosystem is a system or environment that surrounds a child and has a high influence on the child's development; however, the child is not directly involved with with the environment. In order to examine exosystems more closely, one may visit places such as medical centers or religious institutions because both of these affect the development of a child's thinking process.
We de-starch leaves so as to remove the starch produced in it during photosynthesis stored as food. Removing the starch would help us to infer our observations clearly as there is no change or substance that would effect the experiment we want to carry out. For example , the indicators we use might give blue-black or green colors just because of the presence or absence of starch.
To preserve and keep them fresh
You need to know if the parents trait are dominant or recessive
