the answer is D. Air will move from an area with higher pressure to an area with lower pressure :)
Warmer, colder
Convection is the transfer of heat by the movement of a fluid (liquid or gas) between areas of different temperature.
Warmer fluid is less dense so it rises and colder fluid is more dense so it sinks.
If a set of data is highly precise, it generally "indicates that the data must have a high level of accuracy" although there can be other crucial factors affecting the data as well.
I believe the answer is the first one you listed,
Hope this helps..
The answer is gametes, or sex cells.
