Answer:
carry an instument to test atmospheric pressure, humidity, the speed of wind, and temp.
Explanation:
the weather balloon is set off in order to test the four components above.
I think it's D, Phosphorus Cycle
In-taking new substances and excreting waste
Answer:
mutualism is a correct answer.
Explanation:
A symbiotic relationship where both of the co-existing species benefit from the interaction is called mutualism.
Mutualism is a positive interaction between the two organisms of different species in where both organisms get benefit from each other.
Mutualism is a symbiotic relationship where both the coexisting species benefit each other without doing any harm to each other and they depend upon each other for survival.
Example of mutualism : Bacteria and Human
Bacteria present in our intestine shows the symbiotic relationship as the bacteria present in the intestine help in digestion of the food and during this process they get food.
