Answer:
Antarctica and Australia were one landmass millions of years ago
Explanation:
Thats the answer I'm very sure of it
A ) 14 billion years = 14,000,000,000

b ) 1 year = 365 · 24 · 3,600 = 31,536 · 10³
Answer: Two high and two low tides
Explanation:
(AB) & (CD)
Most machines are fueled by gasoline and electricity