The ProProfs editorial team is comprised of experienced subject matter experts. They've collectively created over 10,000 quizzes and lessons, serving over 100 million users. Our team includes in-house content moderators and subject matter experts, as well as a global network of rigorously trained contributors. All adhere to our comprehensive editorial guidelines, ensuring the delivery of high-quality content.
IAAF World Championship is one of the popular sports competition in which many countries participate. This competition often takes place in a specific country, biennially. The World Championships...see morestarted in 1976 and the following years have seen an improvement in planning of the competition. Are you in the know? see less
Submit
Submit
Submit
Submit
Submit
Submit
Submit
Submit
Submit
View My Results
Quiz Review Timeline (Updated): Mar 21, 2023 +
Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.