Hydrocarbons contain which elements? oxygen, carbon, and hydrogen oxygen and carbon carbon only carbon and hydrogen

The variability in marine salinity between habitats does not impact the fish living there. select the best answer from the choices provided t f

Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li

Before it was launched, a helium-filled balloon had a pressure of 201 kpa at a temperature of 27°c. at an altitude of 15,000 m, the pressure had decreased to 2.5 kpa and the temperature had dropped to -14 °c. the volume of the balloon increased to 59.3 m3. what is the original volume of the balloon? 13 m3 0.85 m3 0.077 m3 1.17 m3