The farm machinery that does not have the heat engine is? by Sunday | Jun 9 | Agricultural Science WAEC | 0 comments A. tractor B. bulldozer C. mower D. combined drill Correct Answer: Option D – combined drill Users Also Read These:The engine of a train produces a force of 3000N when…A bus driver operating between Lagos and Jos pledged…0.5kg of water at 10ºC is completely converted to…Which of the following farm practices does not have…To keep a vehicle moving at a constant speed V…