Answer:
your brain needs oxygen to think and your lungs need oxygen to live and keep your body going
Explanation:
i think not for sure tho
<h2>
Answer:</h2>
The technique in doing this is we use an Ultra Sound, To develop images that located under the ground. If the image showed some signs of natural Gas' Sources, then they could start drilling.
Explanation:
Formation of clouds containing water droplets
Hope this help