There must be a change in the chemical composition of the substance and the change is highly irreversible
Answer:
C
I think buffers prevents small amounts of acids and blood from coming and changing the pH of the body, because the buffers are barriers that do not let blood and acid pass through.
Hope it helps!
Answer is (C).
Dna polymerase adds new nucleotides to the 3' end of the new growing dna strand
Answer:
oxygen , carbon , hydrogen , nitrogen , phosphorus , sulfur are some examples
Hydroelectric Power
The benefits are: <span><span>
1. </span>Hydroelectric power is mainly a renewable source of energy. It relies on the stream cycle of water which do not cause pollution.</span>
<span><span>2. </span>Hydroelectric power also helps and promote water reservoir and storage.</span>
The cost are:
<span><span>1. </span>0.85 cents per kWh is the average cost in the US.</span><span><span>
2. </span>Conventional installation costs $1,000-$5,000</span>
Geothermal Power
The benefits are: <span><span>
1. </span>There is no pollution</span><span><span>
2. </span>We lessen the utilization of fossil fuels</span>
The costs are: <span><span>
1. </span>$0.03<span> to $0.035 per kWh is the cost of electricity by The Geysers.</span></span>
<span><span>2. </span> <span>$20,000 to $25,000 costs to build this power plant
Hope this helps.</span></span>
