How to Balance Redox Equations? Cu + HNO3 -> Cu(NO3)2 +N2O + H2O

I can usually follow along when my professor does these, but I'm confused how to start them on my own when they have compounds instead of just elements.

Standing in the sunlight and feeling the heat on your face (uv radiation is entering the skin, converting to infrared radiation, and is absorbed by your tissues)orstanding near a fire and feeling the heat on your skin (infrared radiation transfer)

Muscle fiber i think that i right

As long as you're breathing, you'll be fine : /p. s. if you aren't breathing, you'll pass out. mark as brainliest.