Answer:
Instantaneous speed is the speed of an object at a specific moment in time
A two carbon chain attached to a benzene ring: ethylbenzene
Atoms must have equal numbers of protons and electrons. So to answer your question, yes protons and electrons are the same number.
wavelength i think should be correct
Answer:
It declined drastically
Explanation:
The moths were active at night and rested by day on white birch trees, where they were effectively camouflaged from predators.
However, as the city became more industrialized, the trees were covered with black soot from the factories.
The white moths lost their camouflage, so their population declined drastically, as their predators could now find them more easily.
