D. pressure from lava being pushed up from th earth adds new material to the ocean floor, creating a ridge
Answer:
trees
Explanation: its the only part of an ecosysstem that is living
Answer:
500-million-year-old fossil found in BC is ancient ancestor of spiders and scorpions. Palaeontologists in British Columbia have found a fossil of the oldest known ancestor of scorpions and spiders.
To divide reproductive cells
Quartz
Soft and the one with weird air holes
