This is most likely the result of OXIDATION. When an apple is cut open, the cells of the apple are exposed to the atmosphere, the in built defense mechanism inside the apple that is supervised by certain enzymes react to this situation by reacting with oxygen and creating an oxidized brown layer which protects the apple from foreign bodies.
<span>The second Mendel's law is the law of independent assortment. According to the law, the alleles for different traits are passed independently to the offspring. This event takes place during meiosis I. In metaphase of meiosis I the chromosomes can line up in different ways and independently. Mother's chromosomes can be on one side and father's chromosomes on the other side or they can be mixed in a different number of ways.</span>
B.
H in HF is slightly positive while O in H2O is slightly negative. So they attract in a polar bond. Btw I thought this is chemistry.
Answer:
GABA or gamma-aminobutyric acid is the most important of the inhibitory neurotransmitters in the nervous system. It is the most abundant of them, and it is distributed throughout the brain and spinal cord.
Explanation:
