Which is a major genetically modified crop in the united states?

The answer is; corn

Approximately 88 percent of all the corn in the United States is genetically modified. Most of these genetically modified corn is meant for animal feed. The other most genetically modified foods in the US are soy and cottonseeds.

i think that is new experiments yield untrustworthy data and should be carefully considered, because you don't know what will happen with the experiments.

measuring light intensity

light meters can be used to measure light intensity. the meter is held at the soil surface and pointed in the direction of the maximum light intensity, and then the meter is read.

errors can be made when measuring light intensity by accidentally shading the light meter. the reliability of the results can be checked by taking many samples.