People and animals living in low-lying areas of Lake Nyos in Cameroon, Africa, were killed after carbon dioxide escaped from the lake and moved across the land. This is an example of
a. how human activities can affect humans and the environment
b. the fatal consequences of industrialization
C. how natural processes can introduce harmful materials into the environment
d. the dangerous effect of livestock competition

Did you know that a blue wales tongue weighs more than an elephant?

One of the purposes of transcription is to produce a sequence of bases that

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