The cahuilla tribe was a native american community that lived in the arid area near present-day san diego. the cahuilla's diet relied heavily upon mesquite beans. in order to preserve the plants, only a portion of the beans that were available to harvest was harvested. why were some of the harvestable beans left on the plant?
a. lack of room in the harvest basket.
b. to grow into new plants.
c. for later harvest.
d. for wildlife to eat.

answer; i believe the answer is hydraulic action;

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explanation:

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the level of progesterone is low at the pre-ovulatory phase of the cycle but it gradually increases and the levels are high at the luteal phase. if pregnancy occurs, the level of progesterone will be high throughout the pregnancy.

if egg is fertilized and the mother gets pregnant, progesterone starts preparing the uterus for the implantation. it starts building up the lining of uterus and make it hostile of the period of pregnancy.