Throughout the young larval stages a small gland behind the brain, called the corpus allatum, secretes juvenile hormone (also known as neotenin).
It's a fundamental law of how the universe organized.
Answer:
Renewable resources make cleaner energy. It takes longer to replenish renewable resources. Renewable resources are more easily located and harvested. It often costs much less to produce energy from renewable resources.
When alzheimer disease sets in early and impacts those under age 60, the final phase of the disease or death typically occurs around 3 to 5 years after the first signs of the disease appear. Alzheimer's disease is the most common type of dementia, which is represents the memory loss and other cognitive abilities serious enough to interfere with normal life. Alzheimer accounts for about 60 to 80 percent of dementia cases.