When did muhammad begin teaching people about islam

If an atom has 35 protons in the uncles , how many elements will it have orbiting the nucleus

What is the greatest challenge to the palestinian authority government in israel? a) territorial size b) lack of citizen participation c) disputes among parties d)threats from arab forces

Which statement best describes an advantage of indirect democracy over direct democracy? a. it can make decision making more efficient b. it can citizens feel more connected to government c. it can be more responsive to citizens' interests d. it can better reflect the democratic principle of majority rule