Were preserved remains of ancient organisms
Answer:
are natural world,based on a body of fact that have been repeatedly confirmed through observation and experiment.
Explanation:
the are realiable account for the real world
60 million years is the answer.
Contracting the diaphragm. When the diaphragm contracts, it moves downward, which increases the space in your chest cavity, allowing the lungs to expand and take in air.
Answer:
Carbon dioxide has increased as a result of increased human activities.
Explanation:
not sure
