That's true...
anaerobic has to do without involving oxygen
Answer:
i) 2
ii) No
Explanation:
i) The man will hear two sounds: one through the rail, and one in the air.
ii) The sounds will not reach the man at the same time. Sound travels faster through solids than through gases, so he will hear the sound through the rail before he hears the sound in the air.
The first one because the temperature of the water outside is higher than the one on the inside therefore the one on the inside is heating up