Alleles refer to the DNA!! So B!
<span> It is erosion by wind of loose material from flat areas of
dry, uncemented sediments such as those occurring in deserts, dry lake
beds, floodplains, and glacial outwash plains.
So the answer would be A
</span>
Answer: No sé la respuesta, hablo inglés, solo estoy usando el traductor de Google y solo quiero puntos Jajaja
Human chorionic gonadotropin (hCG) is secrete by the embryo early in pregnancy to keep the corpus luteum for dying. This positive feedback will maintain the corpus luteum, which secretes Progesterone and Estrogens throughout pregnancy, in order to keep the endometrium well to nourish the embryo/fetus.