Answer:
it addresses Loss of Biodiversity
Explanation:
if you read the question you find a key word which is decrease
hope this helped
Answer:
i think its primary succession
Explanation:
There are different types of biomes but,here`s my example
https://www.google.com/url?sa=i&source=images&cd=&ved=2ahUKEwjBhKrevPjeAhXym-AKHZrCCFsQjRx6BAgBEAU&url=https%3A%2F%2Fkidsbiology.com%2Fbiology-basics%2Fpolar-ice-biome%2F&psig=AOvVaw0ggrhmzAXQiH3vAVGusTXb&ust=1543542147595612
Answer:
My guess would be C
Explanation:
The crust, which is Earths outer solid layer of rock, is around 20km thick if I remembered correctly, and the ocean is nowhere near that, so there would be rock under the ocean.
If you find a better answer, then use it, because I'm not completely sure, but that's my best guess based on the possible answers