Answer:
Both conduction and convection require matter to transfer heat. ... Convection occurs when warmer areas of a liquid or gas rise to cooler areas in the liquid or gas. Cooler liquid or gas then takes the place of the warmer areas which have risen higher. This results in a continuous circulation pattern.
Explanation:
HOPE THIS HELPS!!!
Send wave from your location to the object and wait until echo is back.
Measure the time taken.
If you know the speed of wave (say sound wave), than just multiply by half time taken wave to return
I think option C is correct..hope it helps
The last one, handmade gifts require more of the givers time!
Answer: first one is electrochemical
Second one is combustion
Third one is photosynthesis
Fourth one is respiration
