Which nation is an example of a transitional economy today? O Cuba
O the United Kingdom
O North Korea
O China

Which kind of worm has a closed circulatory system? a planarian b fluke c pinworm d an earthworm

Many birth-control pills release a constant amount of synthetic estradiols and progesterone for 21 days, followed by 7 days when no hormones are ingested. which of the following statements most accurately describes the effects of birth-control pills? -birth-control pills maintain constant levels of estrogens and/or progesterone so there is no surge in lh and ovulation does not occur.-birth-control pills inhibit the development of the uterine lining so implantation of a fertilized oocyte cannot occur.-birth-control pills maintain constant levels of estrogens and/or progesterones and mask the release of the oocyte from the follicle.-the 7 days with no hormones does not allow a thick enough uterine lining to form so a fertilized oocyte cannot implant.

Where is the energy shown in the equation transferred as a result of photosynthesis? into water into the air into sugars into the ground mark this and return save and exit save and exit bones