if a researcher were to observe women exercsising and then men exercising and compare these groups why would this not be considered an experiment

Que actos del pueblo simbolizaron el inicio de la revolucion y la caida de la monarquia?

As societies modernize, what often happens to crime rates? a. they increase b. they decrease c. they remain the same d. they increase slightly and then fall rapidly

Which characteristics are true of the arabian desert? choose all answers that are correct.has land mostly below sea levelcovers almost the entire arabian peninsulacontains the largest sand sea in the worldhas very few people living there