Where are heart disease rates higher? A. Developing countries
B. Industrialized countries
C. Rates are equal throughout the world
D. Tropical areas

In a paragraph, write a personal physical activity plan using current safety guidelines. your plan should include an approach for assessing your own physical activity level. include supporting details in the form of facts, statistics, or examples.

Acne is caused by a. a strict diet b. eating at night c. hormones d. dry skin select the best answer from the choices provided. a b c d

During the first month of development, how many layers of cells make up the embryo? a. 1 b. 2 c. 3 d. 4