Answer:
desease is an abnormal condition pf a human, animal or plant that causes discomfort , distinct from injury insofar as the latter is usually instantaneously acquired.three types are hiv and STIs , foodborne illness and chronic hepapatis
Arsenic is natural element widely distributed in the earth's crust.
There are two forms of arsenic organic and inorganic.
Symbol: As
Electron configuration: [Ar] 3d¹⁰4s²4p³
Atomic number: 33
Atomic mass: 74.9216 u
Electronegativity: 2.18
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D. Would be the correct answer.
Answer:
Genetic variation is caused by:
mutation
random mating between organisms
random fertilization
crossing over (or recombination) between
chromatids of homologous chromosomes during
meiosis
