Order these star structures from smallest to largest: cluster, galaxy, local group, and supercluster. a. cluster, supercluster, galaxy, local group b. galaxy, local group, cluster, supercluster c. local group, cluster, supercluster, galaxy d. local group, galaxy, cluster, supercluster

Which statement correctly identifies the scientific question and describes why the question is scientific? question 1 refers to the supernatural. question 2 reflects a moral or social value. question 3 refers to something that can be measured. question 4 reflects a question that can’t be observed.

What in scientific term why the salty popcorn causes this thirst

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