Which of the following best explains why a solar day is longer than a sidereal day?
a)because earth orbits the sun at the same time it rotates, earth must make slightly more thanone full rotation between noon one day and noon the next.
b)the precession of earth's axis gradually changes the length of the solar day while leaving thelength of the sidereal day alone.
)the sun rotates much as the earth does, but more slowly, so that a solar day is longer than asidereal day.
d)the fact that earth's orbit is not a perfect circle causes the length of the solar day to varyduring the year, so that it the solar day is sometimes longer and sometimes shorter than asidereal day

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permafrost layer, it exists beneath a layer of soil, rock or sediment.

the answer is "meiosis ii in the mother".

the procedure of meiosis includes two divisions of the hereditary material. the main division is known as the decrease division – or meiosis i – on the grounds that it lessens the quantity of chromosomes from 46 chromosomes or 2n to 23 chromosomes or (n depicts a solitary chromosome set). in people, the decrease division results in two sperm cells each with 23 chromosomes or an egg cell with 23 chromosomes and one disposed of polar body. the second division – or meiosis ii – is called equational division. the two sperm cells split again creating four sperm cells, each with 23 or n chromosomes. in oogenesis, the egg cell and polar body partition to shape the ovum and two extra polar bodies. along these lines, the posterity are guaranteed to get one portion of the chromosomes from the mother and one half from the dad.