The probability of two independent events occurring together is
a.) the sum of the probability of each event occurring separately
b.) the product of the probability of each event occurring separately
c.) the difference between the probability of each event occurring separately
d.) impossible to determine

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

This is part two of my most recent question with 3 pictures. me get my grade up from 62.3 with this.

Since color is not a very useful way to identify a mineral what other article property or properties can be used