19. Which of the following were contributions made by the Arabs? Choose all that apply.
A. Algebra
B. Thermometer
C. Mapped the circulatory system
D. Detailed maps of the Mediterranean Sea, Arabian Sea, and Indian Ocean
E. Steel plow

The array of significant individuals who serve as sources of social support is called the social

The belmont principle of beneficence requires that: a. subjects derive individual benefit from study participation.b. potential benefits justify the risks of harm.c. the study makes a significant contribution to generalizable knowledge.d. risks are managed so that they are no > minimal.

Why is this statement not a hypothesis? sunflowers require soil and plenty of sunlight and water to grow and thrive. a. it is a well-known fact. b. it is a proven theory. c. it is not falsifiable. d. it is difficult to test.