What development between 1900 and 1920 led to improvements in livestock productivity?

Farming equipment and machinery was made an addition to most farms which lead to be a major improvement for farms and farmers.

Explanation:

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it would be f

explanation:

integrated circuit (ic) is defined as a set of electronic circuits on one small flat piece of semiconductor material, normally silicon. a functional electronic circuit requires transistors, resistors, capacitors, inductors, etc., and the connections between them.