<span>It is of paramount importance that the firm considered for the contract have the necessary expertise and be fully capable of accomplishing the scope of the work performed.There should be assessment of past performance on similar work done by the firm as well as consideration of the financial capabilities of the contracted to perform the project.</span>
The correct answer is:
A. effects of dams on society
Explanation:
The exchange of a river's flow and sediment conveyor downstream of a dam often causes the greatest sustained environmental impacts. Yet even complex changes in the number and timing of water flows impact aquatic and riparian life, which can explain the biological web of a river system.
Answer:
In a chemical reaction, only the atoms present in the reactants can end up in the products.
Explanation: No new atoms are created, and no atoms are destroyed. In a chemical reaction, reactants contact each other, bonds between atoms in the reactants are broken, and atoms rearrange and form new bonds to make the products.