Answer:
True
Explanation:
I'd say its true due to the fact Lichens are very sensitive to pollutants in general.
I don't understand, what is the question you're supposed to answer?
Answer:
Dominant genes mask recessive genes.
Explanation:
Alleles are different variations of a gene. Every person has two alleles - one from each of their parents. Depending on whether it is expressed, an allele can be dominant or recessive.
A dominant allele is the one that is expressed even if the individual has one dominant and one recessive allele. This means that dominant alleles mask recessive alleles.
An example of a dominant allele is the one for brown eyes. This means that you need only one allele of this type to have brown eyes, which is why brown eyes are the most common.
Major forms of air pollution are Cars, factories, and landfills ( dumps )
Air pollution is toxins in the air that are usually created by humans activites
