Considering that nearly 85 percent of corn crops are genetically engineered, which impact does genetically engineered corn have on human health? a. only positives can come from this type of technology, as seen in the ddt study b. human health will not be affected because scientists have studied this technology for over 50 years. c. the genetically engineered corn is causing cancer. d. the long-term effects are unknown and have not been studied because it is a fairly new technology. need !

D.The long-term effects are unknown and have not been studied because it is a fairly new technology.

hey there!

so, when you eat, your teeth chew and grind food into smaller pieces. this is mechanical digestion. then reactions aided by digestive enzymes break down large food molecules into smaller molecules. this is chemical digestion. the two processes change the food into simpler substances that can be used by the body for raw materials and energy.

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tobey

affects the water bodies: excessive use of fertilizers causes eutrophication. the fertilizers which are used on plants affect the quality of land on which it is used, further causing erosion of soil. the fertilizers used on plants contain harmful chemical fumes which affect the environment.