La energía undimotriz y el biogás son fuentes de energía limpia? cierto o falso

You 4. you have been swimming in your neighbor’s pool for an hour. the relative humidity of the air is 30 percent. will you feel warm or cool when you step out of the pool? explain your answer.

This drawing shows a human body system. what is the primary function of this body system?

Light waves travel than sound waves.