Answer:C2H4
Explanation:
Olefins are alkenes, c2h4 is the simplest member called ethene
A scientific theory is an explanation of an aspect of the natural world that can be repeatedly tested and verified in accordance with the scientific method, using accepted protocols of observation, measurement, and evaluation of results. Where possible, theories are tested under controlled conditions in an experiment.
Answer:
It Is violet
Explanation:
It has the shortest wavelengths and the shorter the wavelengths the higher the frequency.
Answer:
the 8 feet long plank has the most mechanical advantage
Explanation: