The answer is C. Evaporation
Well I know that number 4 would be "plant more trees"
The hawk because energy is lost at each stage of the food chain, and the hawk is the last stage. This means it doesn't get all the energy transferred to it.
B. The number of chromosomes is reduced by one half.
It goes from 43 to 26 during the process of meiosis.
When it shifts inwards, it indicates that the economy is shrinking due to a failure in its allocation of resources and optimal production capability. A shrinking economy could be a result of a decrease in supplies or a deficiency in technology.