Around 40 million years ago
The earliest whales that we think were fully aquatic, that is, they never left the water, are found around 40 million years ago, during the middle Eocene. That means that the transition from terrestrial animals to fully aquatic animals took about 12 million years.
Answer:
chemical change
Explanation:
the log is a new substance now
Answer is B. They absorb photons from sunlight.
Answer:
The answer is the anarchy treaty system
Explanation:
The Antarctic Treaty System is a system that takes care of Antartica and its world wide connections (a continent with no life forms). The ATS serves to manage the associations within states in Antartic. The main aim of ATS is to ensure that human race in Antarctica shall always move to practice peaceful goals and shall not become develop any form of disunity.
The element carbon makes long chains forming, single, double or triple bonds with itself.