Generally chemists measure substance in moles because it is very difficult to count the number of molecules<span />
B) differences in temperature
Explanation:
The factor that most directly affects the flow of ocean currents is the differences in ocean temperature from one place to another.
Ocean current is the directional movement of the ocean water in its basin.
The main cause of ocean current is differences in temperature.
- Ocean water on the surface receives direct sunlight.
- This warms and the surface and decreases their density.
- When winds blows over them, they cool and sink under their own weight.
- The less cold water in depths rise to replace them.
- This exchange of ocean water due to loss and gain of heat cause ocean current.
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I believe 1 is growth and 2 is reproduction. Hope this helps.
No. bacteria only needs food to live along with other special needs depending on the type of bacteria
