We have already lost some 80 percent of the coral reefs in the Caribbean over the last three decades, and losses in the Pacific Ocean are also widespread. Reefs are like cities, with some parts growing and some parts being destroyed.
When the net growth is positive reefs can persist. Amazingly. coral reefs are threatened by such atmospheric
conditions as
-)
A)
the growing hole in the ozone
B)
carbon dioxide emissions and global warming
C)
increases in UV radiation and the amount of reflected light.
D
increased particulate matter resulting in decreased UV rays.

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