Rubber is mainly composed hydrogen and carbon atoms. Thus, it can be expected that the type of bonding that will be primarily present in its structure is covalent bonding as well as van der Waals forces amidst individual chains. Covalent bonding occurs when there is sharing of electron pairs between atoms. On the other hand, van der Waals interactions occur due to the closeness of the atoms.
<span>The answer your looking for is: Light microscope</span>
genetic variation is the answer
Answer:
Option D. draw a conclusion immediately after observations.
Explanation:
In this experiment, hypothesis is made after observing the species of small and large animals. Hypothesis is a statement that may be true or false. After observing a large number of small and big animals, so he make a conclusion about what he observed in the experiment. This conclusion will help him in further studies and experiments.