Answer:
Agriculture and domestication probably started in the Fertile Crescent (the Nile Valley, The Levant and Mesopotamia). ... People probably started agriculture slowly by planting a few crops, but still gathered many foods from the wild. People may have started farming because the weather and soil began to change.
Explanation:
These energy exchanges are not changes in kinetic energy. They are changes in bonding energy between the molecules. "If heat is coming into a substance during a phase change, then this energy is used to break the bonds between the molecules of the substance. The example we will use here is ice melting into water.
Answer:
they do not evolve, they are birds
Explanation:
They say that is the individual who is a person who once lived but is now dead and studied genetics know as Gregor Mendel
Answer:
it depends
Explanation:
Different plants may have different speeds in which they produce oxygen or absorb carbon dioxide therefore photosynthesis may have different rates of speed.
