It is called PANGEA THE SUPERCONTINENT
The answer would be D. Precognitive psychology
Answer:
here are some:
1) market failure, 2) the tragedy of the commons, and 3) the underprovisioning of public goods. One of the first principles of free markets is that for them to work effec- tively, the full costs of an activity must be borne by the involved parties.
Explanation:
hope this helps <3
2.5g
10÷2=5
5÷2=2.5
everytime it completes a half life, you divide the number by two