i think that -5 will be the answer
Upwelling is a process in which cold water from depths arise to the surface,
it's important because :
- It bring a lot of nutrients to the surface of the ocean
- It maintain the temperature of the ocean
hope this helps
Decomposer are the tiny organisms that break down and absorb nutrients from dead organisms
Answer:
Harmful to the existing habitat and inhabitants
Foreign
Fast reproduction rate