Bacterias extintas y sus causas​

Whats this supposed to mean?

Explanation:

Las bacterias se extinguen a tasas sustanciales, aunque parecen evitar las extinciones masivas que han venido afectando a formas de vida más grandes en la Tierra.

Explanation:

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explanation:

on disadvantage of hydroelectric power is the cost. another disadvantage of using hydroelectric power is finding a water source powerful enough to harvest hydroelectric power.

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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