Answer:
Non-zero digits are always significant. Any zeros between two non-zero digits are significant. A final zero or trailing zeros in the decimal portion ONLY are significant.
Explanation:
Answer: A) wastes
Explanation:
More people, more littering
Answer:
1. The animal can't see what happening behind its head.
2. Head can be moved upto 180 degree angle in most of the animals including humans. But it is not true in case of birds.
Explanation:
He thought that they were moons
but it was actually the rings of the planet
