Which of the following was a major source of atmospheric oxygen? a)decomposition of water b)volcanic eruptions c)outgassing d)photosynthesis

For one week be an inventor and write down ideas for products or services that you think should be produced

Since 1980, which three countries have either attacked or been attacked by iraq? a. iran, turkey, united states b. iran, israel, jordan c. iran, kuwait, united states d. iran, saudi arabia, egypt

East asia is considered a less developed nation. true or false