Engineers increase output in crop production by combining the strengths of two plants. this can be done by using one plant to pollinate a different plant so that their strengths are combined into a new plant. what is this technique called?

Cross-pollination

Explanation:

This technique is used to create new varieties, usually with stronger characteristics than the two original varieties. When the pollen of one variety is placed to a different plant's stigma, the resulting seeds create a new variety. This cross-pollination is used in plants of the same species.  

what are the two models

explanation:

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