Answer:
B
Explanation:
All good chains start with the energy from the sun. then energy is captured by plants
Answer:
The North produced 17 times more cotton and woolen textiles than the South, 30 times more leather goods, 20 times more pig iron, and 32 times more firearms. The North produced 3,200 firearms to every 100 produced in the South.
Explanation:
The site
of calcium regulation is what differs from a mechanism of contraction in smooth
muscle from skeletal muscle. One of the
important functions of skeletal muscle contraction is production of heat and where
calcium seemingly acts to remove the blocking action of tropomyosin.
The best is :causing mutations with chemicals or radiation
The presence of mineral surface for the amino acid to adhere to may have aided the polymerization of amino acids into peptides in the oceans of early prebiotic earth.
Amino acids are the building bocks of protein. The structure of an amino acid comprises of a carboxylic group, an amino group, a hydrogen atom and a variable R-group attached to the same alpha-carbon atom. There are 22 types of amino acids involved in the formation of proteins.
Prebiotic earth refers to the Earth that existed before the origin of life. The environment of earth was completely different from now. The temperature was extremely hot with no oxygen, abundant of water bodies and ionizing radiations from the space.
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