Answer:
DNA is made of chemical building blocks called nucleotides. These building blocks are made of three parts: a phosphate group, a sugar group and one of four types of nitrogen bases. To form a strand of DNA, nucleotides are linked into chains, with the phosphate and sugar groups alternating.
Explanation:
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Answer:
The grants allowed industries in the West to grow because they encouraged settlement and new industrial opportunities.
Explanation:
By developing the railroads on the western region, it is possible for any other established areas to distribute their raw materials and finished products to these regions.
This encourage many people to come and settle on this area and opened up new businesses there to promote the growth of united states economy as a whole.
Explanation:
The plastic movement of the mantle material moves like the flow of mountain glaciers, carrying the lithospheric plates along as the convection movement in the mantle moves the asthenosphere.
