Because it is direct contact of the molecules in the air and the land that are touching.
Answer:
Oxygen enters the lungs through the trachea, which branches into two tubes called the bronchi, which lead to the lungs.
That would be electric charge
Answer: C. 1.8
Steps:
25x = 45
x = 45/25
x = 1.8
Explanation:
On your own notebook paper write a four sentence summary of the most important ideas on each section
what is Environmental science
How do we study Environmental science