Answer:
other creatons in South Africa Australia and Asia have continent rocks and 3 billion years old oldest sea floor is a comparatively very young exponency maintely to 280 million years old it is found in the meditarian sea and the remainad of ancient Ocean that is the spelling between Africa and Europe
Answer:
John Adams II's grandfather, the nation's second president (1735-1826), had married his third cousin, Abigail Smith (1744-1818). ... Both bride and groom descended from President John Adams. Their wedding constituted the first marriage between descendants of two presidents.
Explanation:
The answer is cell membrane.