Two key characteristics of a good scientific investigation are hypothesis and observation of whatever organism your studying.
A. Ring of fire I hope this hoped u today
The correct answer should be Carrying capacity
Carrying capacity is the the number of people, animals, and other life forms, that an ecosystem can sustain without starting to degrade, and all these upsets can destroy it because it can cause people and animals to migrate somewhere or they can destroy the carrying capacity of the already existing one.
Answer:
An oil spill, fertilizer run off, and another thing i could think of is a flood hope this helped :)
Explanation:
One carbon atom has 4 valence electrons. Hope this helps
