If andrew is staying in a primary sector economy, then which of these could be an important occupation in andrew’s country? a. hospitality b. retail c. insurance d. fishing

D. Fishing

The primary sector of the economy relates to the extracting or harvesting products from the earth. Therefore activities associated with primary economic activity include agriculture, mining, forestry, grazing, hunting and gathering, fishing, and quarrying. Since fishing also comes under this category so it is the only possible option given in these choices.

a tetrad is the foursome during meiosis made by two homologous chromosomes that have each already replicated into a pair of sister chromatids.

the corpus luteum secretes estrogens and progesterone. the latter hormone causes changes in the uterus that make it more suitable for implantation of the fertilized ovum and the nourishment of the embryo. if the egg is not fertilized, the corpus luteum becomes inactive after 10–14 days, and menstruation occurs.

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