Ana is planning to build an electrical circuit. before building it, she writes the statement, "if four batteries are connected to a light bulb, then the light bulb will burn longer than if two batteries are connected because more batteries provide more energy."

which best explains why ana's statement is a hypothesis rather than a theory?
options> a. it is based on prior knowledge, but it has not been widely tested on her circuit. b. it has been widely tested on her circuit, but it is not a factual statement. c. it is a factual statement, but it is not based on prior knowledge and d. it is a testable statement, but it cannot be replaced in the future.

the cytokine-activated janus kinase (jak)-signal transducer and activator of transcription (stat) pathway has an important role in the control of immune responses. dysregulation of jak-stat signaling is associated with various immune disorders.

the main thing i would use is bricks because if there is a hurricane, there is a great possibility for the house to still stand. and i would also use plexiglass windows instead of regular windows because plexiglass isn't prone to breaking.

radon is correct hope this

the alkaline earth metals (beryllium (be), magnesium (mg), calcium (ca), strontium (sr), barium (ba), and radium (ra)) are a group of chemical elements in the s-block of the periodic table with very similar properties: shiny. silvery-white. hopefully this ? i didn't fully understand the question