Why did calendars keep changing? A. They could not predict planetary motions.
B. They could not measure time of day.
C. They did not match the seasons.
D. They did not fit lunar patterns.

Endogamy is marriage within one’s own social category. select the best answer from the choices provided true or false

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.

Say a certain manufacturing industry has 63.1 thousand jobs in 2008, but is expected to decline at an average annual rate of 1.7 thousand jobs per year from 2008 to 2018. assuming this holds true, what will be this industry’s percent change from 2008 to 2018? a. 70% b. -27% c. -17% d. -75%