B oxygen because they need it to survive
Answer:
1. B. parasitism
2. C. parasitism, predation, mutualism
Explanation:
Answer:
Intervertebral foramen
Explanation:
These structures are found in between pairs of vertebrae and not only do spinal nerves pass through them, the spinal artery, veins, and transforaminal ligaments do too. While the spinal cord passes through the vertebral foramen, the spinal nerves exit and enter the spine through these intervertebral foramen to 'serve' the rest of the body.
Mass can either increase or decrease the speed depending on the height of the roller coaster.