Question 6 (2 points) 3
Which of the following is a benefit of using a model? Select all that apply.
Models have limitations
Models cannot change
Models can be simple
8
Models are useful
Question 7 (2 points)
Albiah fthefallen

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 : )

photosynthesis makes the glucose that is used in cellular respiration to make atp. the glucose is then turned back into carbon dioxide, which is used in photosynthesis. while water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.

you should wear a lead protective shield when having teeth x-rays

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-lavira : )