D) 1 and 4
Chromosomes are made up of DNA. DNA strands contain short segments called genes.
Ten Ways to Reduce Greenhouse Gases. Burning fossil fuels such as natural gas, coal, oil and gasoline raises the level of carbon dioxide<span> in the atmosphere, and</span>carbon dioxide<span> is a major contributor to the greenhouse effect and global warming.
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The overall balanced reaction equation is;
4Zn(s) + 10H^+(aq) + NO3^-(aq) -----> 4Zn^2+(aq) + NH4^+(aq) + 3H2O(l)
<h3>What is the balanced reaction equation?</h3>
The redox reaction equation is said to be balanced when the number of electron gained is equal to the number of electrons lost.
Now;
1. Reduction and oxidation half-reactions
Zn(s) -----> Zn^2+(aq) + 2e
And
NO3^-(aq) ---->NH4^+(aq) + 3H2O(l)
2. Using the H2O and H+ to balance O and H;
4Zn(s) + 10H^+(aq) + NO3^-(aq) -----> 4Zn^2+(aq) + NH4^+(aq) + 3H2O(l)
3. Balancing the electrons lost and gained; 4Zn(s) + 10H^+(aq) + NO3^-(aq) + 8e -----> 4Zn^2+(aq) + NH4^+(aq) + 3H2O(l) + 8e
4. The overall balanced reaction equation is;
4Zn(s) + 10H^+(aq) + NO3^-(aq) -----> 4Zn^2+(aq) + NH4^+(aq) + 3H2O(l)
Learn more about redox reaction:brainly.com/question/13293425
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