Hydrogen because it only has one valence electron I believe.
The Bering Strait separates Siberia and Alaska.
Solar energy.
This is because the solar energy arrives and is trapped as radiation and heat.
Answer:
1. True
2. True
3. False, they have 46
4. False, they inherit traits from both parents
5. True
6. False, rice has 12 pairs of chromsomes and flies have 4 so not all orangisms have the same number of chromosomes
7. True (not too confident with this one though)
8. False, a body cell has 46 while gametes have 23
9. False
10. True
Explanation:
To be effective, key choices must be Parallel.