[Q]: Sentence: Excess zinc is toxic to plants, although zinc toxicity is far less widespread. Question: How is zinc primarily added to soil?
++++++++++
[A]: no

[Q]: Sentence: Although he did not use the term gene, he explained his results in terms of discrete inherited units that give rise to observable physical characteristics. Question: What is another thing that Gregor Mendel was the first to demonstrate?
++++++++++
[A]: no

[Q]: Sentence: For shorter-range work, a lighter weapon with a higher rate of fire is required, to increase a hit probability on a fast airborne target. Question: What are two types of fuses used for shells?
++++++++++
[A]:
no