According to an American Cancer Society's annual report published in December 2009, the U. S. cancer death rate continues to decline, as it has since the 1990s. This may be attributed to all BUT ONE of these factors.

0)

A)

early screening

B)

fewer people smoke

C)

genetic engineering

D)

healthier diet and less obesity

C

Explanation:

The reduced rate of cancer deaths in the United States may be attributed to all of the factors except genetic engineering. Early detection and a healthier lifestyle are the main contributors to the reduced incidence of cancer as well as the reduce death rate.

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.

the answer is c a tornado