Some say the precautionary principle is analogous to the judicial concept "guilty until proven innocent ." In the United States , one is " innocent until proven guilty " in the court system . Do you think regulators in the United States should apply the precautionary principle to chemicals for which toxicity levels have not been determined ? Explain your reasoning.

What does it mean for a cell membrane to be selectively permable

Which of the following is the most likely outcome of global warming

In 2015, about ten percent of total u.s. energy consumption was from renewable energy sources. renewable energy plays an important role in reducing greenhouse gas emissions. when renewable energy sources are used, the demand for fossil fuels is reduced. sanjay and his family want to cut back on their use of non-renewable resources at home. they are thinking of an alternate way to heat their home without adding more greenhouse gases or pollutants to the environment. which renewable resource would not fit into their plan? a) solar power b) burning wood c) constructing a wind turbine eliminate d) generating hydroelectric power