|
Author Question: The scientific study of tree rings to determine past climates is ____________________. Fill in the ... (Read 83 times) |
Did you know?
Asthma cases in Americans are about 75% higher today than they were in 1980.
Did you know?
In 1864, the first barbiturate (barbituric acid) was synthesized.
Did you know?
Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.
Did you know?
Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.
Did you know?
After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.