Acids tend to have a pH of below 7 (which is neutral).
The only option that makes the pH statement above true is A, 6.
So the answer is with no doubt, A. 6
Fossil fuels have increased the amount of crops harvested.
Explanation:
Fossil fuels have greatly increased the amount of crops affected in the farming industry. Farm mechanization is the use of machinery for farm works.
- The bulk of machinery used on the farm are powered using fossil fuels obtained from organic matter of plants and animals.
- The internal combustion engines of farm machines is fueled using crude oil products.
- Tractors, harvesters, sprayers e.t.c used fossil fuels for their operations.
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Fossil fuel brainly.com/question/9231468
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Answer: C
Explanation: Took the test
The 1st law of thermodynamics doesn't specify that matter can be created nor destroyed, but that the total amount of energy in a closed system cannot be created nor destroyed though it can be changed from one form to another.
<u>A</u><u>)</u><u> </u><u>The moles of NaOH are equal to moles of HCl.</u>
Explanation:
NaOH + HCl ↦NaCl + H20
