Answer:
Oceanic factors include the pressure gradient, temperature variations and salinity differences
Explanation:
Each factor has a significant effect on the flow of oceanic current..
The answer may be, Replication, but I am unsure.
Answer:
Mammals undoubtedly play an important role in ecosystems by providing essential services such as seed dispersal, pollination and regulating insect populations, and reducing disease transmission [20–22] and there is some evidence that some groups act as indicators of general ecosystem health [23].
Explanation:
I haven't taken biology since my freshman year of high school, so this is kind of a guess. But I know for sure it isn't a solid. So I would go with a gas.