Ancient Civilizations in the world.

what patterns do u notice in areas where earthquake have occurred around the world ?

Which of the following are not threats to internal validity (select all that apply)?

1. Accuracy of assessment of disease
2. The intervention is not feasible in a real-world setting
3. Selection bias of controls
4. Appropriate calculation of measures of association
5. Comparability of study groups

What is the best definition of technology?

(a) Technology is replacing human workers with mechanical or electronic devices.

(b) Technology is applying scientific knowledge to find answers and fix problems.

(c) Technology is using fewer resources to manufacture goods more efficiently.

(d) Technology is hiring workers from all over the world to manufacture goods.