Earth is divided into five different spheres. Which statement is TRUE about the interaction between two of these spheres?

Cells destroy body cells infected by a virus or bacteria. killer t t memory t none of the above

Awave has a wavelength of 15 mm and a frequency of 6 hertz. what is its speed?

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