Answer: Farming
Explanation: Plowing the land is the first source of wealth.
Polymers are defined as large molecules assembled from smaller, individual molecules.
Answer: B)
The physical characteristics of an organism is its phenotype. I remember this because phenotype and physical both start with 'ph.'
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Well first i just wanna say that life on mars has been discovered,not little green men but Bactria found on the surface and small traces of water have been found as well. some forms of life need little water to survive (like bacteria) but they still need water so yes there is water on mars the question is will we find it.
Answer:
Cells come from other living cells
All living things are composed of one or more cells
The cell is the basic unit of life.
