I know accurate is really close or exact but the reproducible ive never heard
C. producer, the corn creates its own 'food' with photosynthesis. It's easier to remember as a flow chart producer(typically plants)->primary consumer(mostly herbivores)->secondary consumer(predators and other meat eaters) and decomposers(usually fungus) eat basically everything.
Cool front is not a standard weather front. Cold front, warm front and occluded front are all standard weather front. When you say weather front, it is a boundary that separate 2 air masses.
I believe it's the ovule.
The number of ATP molecule depends on type of molecule broken down carbohydrate most commonly broken down to make ATP