According to theories of weight gain, Calorie consumption has increased dramatically due to all of the following except

Protein consumption

Explanation:

Consuming proteins produces greater satiety, improves blood glucose stability and improves lipid levels, and balancing carbohydrate consumption with protein consumption is studied as a dietary alternative.

in 1859, charles darwin set out his theory of evolution by natural selection as an explanation for adaptation and speciation. he defined natural selection as the "principle by which each slight variation [of a trait], if useful, is preserved".

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.