33.11 km is not very far, if it was that close we would all be dead
Answer:
d. sewage treatment and nitrous oxide
Explanation:
There is no answer ,you wrote the answers with the question
Answer:
No, or at least not yet. there small and dont do much improvment. If they were much bigger and sucked better, including some touch-ups here and there, they would have a bigger effect on removing sea urchins.
Explanation: