Question 29 5 pts
what are the 5 signs that a chemical reaction has occured? (select all that apply/ 1 pt. each)

group of answer choices

color change

state change

gas released

precipitate formed

shape change

volume change

temperature change

change in smell

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