Why is it important to distinguish between scientific ideas backed and not backed by facts, evidence and results from experiments? How might our understanding of the natural world be different if we didn't make this differentiation? Justify your answer.

Your town is considering building a biodiesel power plant describe at least two advantages and two disadvantages

An insulated 40 ft^3 rigid tank contains air at 50 psia and 120°f. a valve connected to the tank is now opened, and air is allowed to escape until the pressure inside drops to 25 psia. the air temperature during this process is kept constant by an electric resistance heater placed in the tank. determine the electrical work done during this process.

Your science teacher brings in a speaker to talk to your class about climate change. during the session, students ask a few questions. which questions are related to the current evidence on climate change