Explanation:
1. Oxygen, without oxygen no human can live, In space, there Is zero oxygen
2. Water, Astronauts will definitely need some sort of water since nearly every living thing requires It
Answer:
its the 4th inferred that fossils were once part of living animals
Explanation:
The reason why Greenland is so sparsely populated is because, despite its name, Greenland is actually covered with ice (almost 80% of the territory is ice), meaning that it's very hard for people to settle.
Bigger pieces of sediment are usually deposited first then the little pieces then fill in the spaces between.
