Because were close to the equator
The answer is A, 4.6 billion years old. The solar system was obviously formed after the big bang, and using the big bang theory and the birth of our sun, projections show that our solar system is at most 4.6 billion years old.
Answer:
70%
Explanation:
Because the mountains cover up 70% of Japan
Answer:
20% of number 1 to 70 has one or nine in it
Explanation:
20% numbers from 1 to 70 have 1 or 9 in the unit's digit. 1,9,11,19,21,29,31,39,41,49,51,59,61,69 this is that series of numbers .These are total 14 numbers out of 70 so 14/70×100 gives us 20 % occurrence of 1 or 9 at unit place.
