Indian astronomers knew all of the following except .

a. that the sun was the center of the universe

c. how to predict eclipses

b. that there were 9 planets

d. that the earth was a sphere rotating on an axis

The graph shows a student’s data from an investigation about plant growth in five plants of the same type.

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.

Some european explorers sailed west looking for the passage to india