The (blank) slows runoff of rain water, to prevent floodsand erosion. fill in the blank.

By 2 weeks after fertilization the morula has implanted into the uterine lining and transforms into a(n) . this time is when the , or the organ that will provide nourishment to the fetus by exchanging nutrients and waste products, begins to develop.

Relationship of lifestyle and weight management

Describe the impact of the game of american football on society in the u. s. and elsewhere.