What is the the term for the main intake of air

When creating a plan for the use of space in an early childhood educational setting, it is best to plan for clear passageways throughout the classroom. design only small, cozy spaces so that children feel safe. keep check-in and check-out areas outside the room. thoroughly conceal the toilet and hand-washing area for privacy.

What is the healthiest serving of meat

First to answer will be the brainliest i need the answer asap