Arthritis is a joint disorder involving joint inflammation.Pain is often localized to only the affected joint. Osteoarthritis is a wear and tear type of arthritis often affects aging population affecting joints in hands,knees and lower back. Heberden's node is an example and develops around middle age thus Wendell might have this.
The crest Is the highest point of the wave.
Answer:
D) Rare-earth elements
Explanation:
Rare-earth elements are elements that are highly limited in supply, may be depleted (used up) within a short time, and are difficult to replenish. Examples include neodymium, samarium, and yttrium.
Paper can be replenished by recycling old papers, while solar energy and water are renewable energy sources because we can not use them up within the foreseeable future.
