22. C
23. C
24. A
25. B
26. D
27. C
28. C
An example of force that acts at distance is gravity and an example of contact force is pushing a chair across the room
False, the aorta is the major artery that takes oxygenated blood from the heart to the rest of the body.
Answer:Stress that all living beings are systems. This is the main principle of the unity of life. A system has a unity that is not equal to the sum of its parts. ... Emphasize that the diversity of life has its roots in different conditions under which different biological organisms evolve and exist.
Explanation:
