Compared to the tropical rainforests, the temperate rainforests generally have a. less biomass b. more biomass c. more broad-leaf trees d. locations near the equator

  a. less biomass

Explanation:

The tropical rainforests are found in the regions of warm climatic conditions but receives an annual rainfall of 400 inches which supports the diversity of tree species in this region. The temperate forests exhibit moderate climatic conditions and moderate rate of annual precipitation of 100 inches.

The tropical rainforests exhibit a large diversity of broad leafed trees. But the diversity of trees in the temperate rainforest becomes low due to inadequate rainfall. The environment of the temperate rainforest can only support the growth of mosses, fern and deciduous trees. This makes the biomass of the temperate rainforest lesser than the tropical rainforest. The biomass can be define as the amount of energy available in the ecosystem. As the lower number of the diversity of producer (plants and trees) cannot support the fauna of the region.

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a fossil fuel is a fuel formed by natural processes, such as anaerobic decomposition of buried dead organisms, containing energy originating in ancient photosynthesis.[1] the age of the organisms and their resulting fossil fuels is typically millions of years, and sometimes exceeds 650 million years.[2] fossil fuels contain high percentages of carbon and include petroleum, coal, and natural gas.[3] other commonly used derivatives include kerosene and propane. fossil fuels range from volatile materials with low carbon to hydrogen ratios like methane, to liquids like petroleum, to nonvolatile materials composed of almost pure carbon, like anthracite coal. methane can be found in hydrocarbon fields either alone, associated with oil, or in the form of methane clathrates.

the theory that fossil fuels formed from the fossilized remains of dead plants by exposure to heat and pressure in the earth's crust over millions of years was first introduced by andreas libavius "in his 1597 alchemia [alchymia]" and later by mikhail lomonosov "as early as 1757 and certainly by 1763".[4] the first use of the term "fossil fuel" was by the german chemist caspar neumann, in english translation in 1759.[5]

in 2017 the world's primary energy sources consisted of petroleum (34%), coal (28%), natural gas (23%), amounting to an 85% share for fossil fuels in primary energy consumption in the world.[6] non-fossil sources in 2006 included nuclear (8.5%), hydroelectric (6.3%), and others (geothermal, solar, tidal, wind, wood, waste) amounting to 0.9%.[7] world energy consumption was growing at about 2.3% per year. in 2015 about 18% of worldwide consumption was from renewable sources.[8]