Answer:
throughout the year, the earth tilts. This causes the north pole to be the closest to the sun half the year and the south pole to be the closest to the sun the other half.
Explanation:
Answer:
Mitochondrial Disorder
Explanation:
The LHON stands for leber hereditary optic neuropathy is a type of mitochondrial disorder. The disorder is generally observed in young males. The mitochondrial disorder are transferred from mother to its progeny. The disorder causes retinal ganglion cells (RGCs) and the exons of RGCs to degenerate. The disorder causes sudden painless failure of vision. The disorder leads to loss of central vision, optic atropy and central scotoma.
The most of the individuals with LHON do not possess the signs of the disorder. The disorder is caused by mutation in maternal DNA, thus it is a type of mitochondrial disorder.
A. The onset of the menstrual flow
The answer is bioaccumulation. Bioaccumulation is when toxins build up in a food chain. The animals at the top of the food chain are affected most severely because the concentration of toxin becomes most concentrated in the body tissues of the animals at the top of the food chain.
