Answer:
The answer is tiny organisms known as cyanobacteria, or blue-green algae. These microbes conduct photosynthesis: using sunshine, water and carbon dioxide to produce carbohydrates and, yes, oxygen.
Answer:
Newton's first law is often called the law of inertia.
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All life on Earth; plants, animals, etc. Anything that is alive is part of the biosphere.
Answer:
A very common form of sliding friction is known as kinetic friction. Whenever an object is sliding along a surface, the surface of the two objects creates a force called kinetic friction that opposes the motion of the object.
Explanation:
Answer:
C
Explanation:
Copper is a conductor because its valence electrons can move freely from atom to atom.