An energy pyramid has four trophic levels. the energy available at the apex level is 0.1 kilocalories. how much energy is available at the base of the pyramid? 1 kilocalories 10 kilocalories 100 kilocalories 1000 kilocalories

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Explain why ecosystem diversity results in species diversity in a healthy biosphere

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