The answer is TRUE. Research indicates that marijuana smoking exposes the subjected to 75% more benzanthracene than tobacco smoke. Additionally, marijuana smoke has 50% more benzopyrene, 3-5 times higher aromatic amines and nitric oxide than tobacco smoke. Some research also indicate that marijuana smoke has 20 times more ammonia than cigarette smoke.
Option B)
They prevent most of the Sun's rays from reaching Earth, thereby preventing Earth from heating up
The process of natural selection is described in the cartoon.
Explanation:
Natural selection is the mechanism by which an organism survive and evolve.
It is the process in which organism have better adaptation to its environment and live to reproduce organisms with useful traits which are passed on to their offsprings.
In the given cartoon it is observed that green beatles fall prey to the crows as a result their survival chances are minimal. Over the generations they are eaten by crows and eventually their brown counterparts are in majority. This is because the brown colour beatles are safe from the prey, they pass on this trait to their offspring and remains safe and more in population.
The brown colouration in beatles is the Darwinian trait of survival of the fittest for beatles.
The variation in population, mutation or genetic drift causes natural selection.
The one with better adaptation survives and reproduce more viable offspring in the population.
