In which of the following relationships is neither species harmed? commensalism competition parasitism predation

For this question look at the hydropic diagram water that is heated by the sun evaporates. select the number that represents it.

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

Which was most likely an effect on society that resulted from improvements in blood handling during world war i and world war ii?