Answer:
corn
Explanation:
biomass is another name for plants and animals, some of which could be burned to produce energy
4.75 billion years ago, a large star near what is now the Solar System went supernova, sending heavy element debris outward into the galaxy. Some of the debris, after traveling long distances through space, collided with a Hydrogen cloud.
Everything has mass. The mass of something never changes.
Mass is measured using grams.
Air is not that heavy, but it certainly has mass because it takes up space.
For every one liter of air, their is 1.19 grams.
Answer:
B
Explanation:
Valleys are created by streams of running water
I attached a picture showing how to do it