world

Learn • nouns • Session size: 10

Practice is designed to help you get familiar with the replacement words. Some sentences may have small grammar errors, and sometimes more than one answer could work—focus on choosing the best replacement word.

Question 1 / 10Score: 0

Boring sentence

In science class, we learned about the world by tracing the layers from crust to core and labeling them in our notebooks.

In science class, we learned about ____ by tracing the layers from crust to core and labeling them in our notebooks.