Why is solar power considered a renewable resource A; Solar power does not cost anything

B; The sun shines all the time everywhere

C; The solar winds increase during the ages

D; The supply of solar power will not run out

Describe how gravity and convection work together to move the plates in the plate tectonics theory

Identify the example of when situation and time are key to assessing risk of harm in a research study: a study on the efficacy of a behavioral intervention for smoking cessation involves both adults and teenagersasking women if they have had an abortionresearch on the prevalence of hiv-infected individuals in communitiesa survey about sexually transmitted diseases

Which phrase in the preamble of the constitution means the government should provide peace and order in society.