For a chemical reaction to be spontaneous at all temperatures, which conditions must be met?

Why has there been such a large increase in theft and other crimes in the u.s

Rick is on a bicycle trip. every 4 days he bikes 230 km. if rick keeps this same pace for 16 days, how many kilometers will he bike?

Determine if the situation below is a safe practice: julia needs to hang some industrial shelving, so she carefully selects the correct drill bits for the electrical drill before attempting to screw the shelves into the wall.