Answer and Explanation:
<u>When I hear the word "challenges", I usually think of obstacles and difficulties, which means the word has a negative connotation to me.</u> However, I do understand the necessity and importance of having challenges in life.<u> Based on my prior experiences, I have come to believe challenges are what makes us grow and learn</u>. Without any opposing force, we would not develop strength and resilience. Without a bit of fear, we would never know the thrill of an accomplishment.<u> Of course, challenges can be harmful too. When they are too big or when the situation is unfair, a person can end up too frustrated to persist.</u> When a challenge demands too much emotional energy, it might become a trauma, perhaps even causing anxiety in the future.
Answer:
The correct answer is <u>B</u>: Large variety of organisms.
Explanation:
The article describes natural environments and ecosystems by analyzing different factors that are influencing their development.
The factor which contributes most to the sustainability of a habitat is a large variety of organism. A large variety of organisms increases the sustainability of a habitat.
The most common theory and all other theories about nessie are likely not true
