~ Sugar is . A. Element
B. Composite
C. Homogeneous mixtures
D. Heterogeneous mixtures

2. given that most biochemical (other than coal) rocks react with hydrochloric acid, what does that tell you about organisms?

One important development during the 3rd trimester that will insulate the infant against changes in temperature is a. the deposition of fat under the skin b. the closing of the septum between c. the atria of the heart d. the beginnings of lung functioning e. the beginnings of light and sound sensing

Which of the following is a limitation of a clinical trial? a.)amount of random assignments b.)hospital cost c.)number of test tubes d.)amount of peer review