The form of the word "tough" that best completes the sentence is option B. toughest. So the complete sentence would be: What was the toughest game you have competed in? When we add the suffix -est at the end of the base form of an adjective word, it means it is comparing in a superlative degree.
A negative pressure respirator brings fresh air to you through a hose Does a negative pressure respirator brings fresh air to you?
If a leak develops in a pressure-demand respirator, the regulator sends a continuous flow of clean air into the facepiece, preventing penetration by contaminated ambient air. ... Negative-Pressure Airflow Negative-pressure respirators draw air into the facepiece via the negative pressure created by user inhalation. ( can I plz have brainliest I need 4 more to have a new rank)
It provides background information on the topic.
and It gives the main topic of the paper.
Connecting situations or staments in the text to something else or making a note of something so you can remember it for a later answer for a question.
Melodrama. It first appeared in France at the end of the 18th century. Later, it reached Britain and became one of the most popular types of drama in the 19th century!
