The most ethical response if an experiment fails to confirm a hypothesis is to revise the hypothesis and develop a new experiment to test it. The correct answer is A.
Answer:
When people started to specialize, they invented new technologies in their respective fields. For example, after the Neolithic Revolution, humans learned how to work with bronze. They also invented the wheel. New systems of irrigation were invented to increase crop yields.
Explanation:
HAVE A GOOD DAY
Environmental risks arise from all of the following except. D. GROUNDWATER.
The only time groundwater can become an environmental risk is when it is contaminated with hazardous chemicals or becomes polluted.
Pesticides, pollution, and industrial chemicals are environmental risks because excessive amount and improper disposal of those items will lead to contamination by air, water, and sea. Which will result to being imbalance of nature and ultimately affect the quality of life.
