From my speculation it is loss of habitat and global warming
Answer:
A genetic disorder that is inherited as a recessive trait is sickle cell anemia.
Explanation:
Sickle cell anemia can be described as a disorder which is caused by a mutation in the hemoglobin beta gene which is found on chromosome number 11. The pattern of inheritance of sickle cell anemia is autosomal recessive which means that both the alleles of the gene shall be recessive for the trait to occur. A person with one recessive allele for the trait will not carry the disease but will be a carrier for the disease.
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One of the most important protective factors for drug use is</span> believing that there are strong sanctions against substance abuse at school.
Scratching insect bites can lead to infection, a superficial crusty infection of the skin.The scratching cause the skin around the bitten area to break open which causes infection. Example of insect that bites are mosquito, midge and flea among others.
Polar air masses are characterized by cold air near the surface while tropical air masses are warm or hot.
