What is a correct statement about the movement of substances absorbed by roots? A lons have to pass through cell walls to cross the endodermis . B lons move through the symplastic pathway only until they reach the Casparian strip. C Soil water has a more negative water potential than the xylem sap.
D Water passes through the symplastic pathway along a water potential gradient .

i think the answer is b.

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.

i hope this : )

1) a

2)c

3)a

4)c

5)b

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