Answer:
The 12 survivors are people who are married (6 couples), the word "single" is the keyword denoting those only people who are single had died.
Answer:
Factor that affect a country's deaths rate includes:
- Access to clean water
- Medical facilities
- Living standards of the people
Factor that could affect a country's birth rate include:
- Use of contraceptives methods
- Government Policies (The one child policy in China)
Answer:
<h3>Ocean salt primarily comes from rocks on land. ... Rocks on land are the major source of salts dissolved in seawater. Rainwater that falls on land is slightly acidic, so it erodes rocks. This releases ions that are carried away to streams and rivers that eventually feed into the ocean.</h3>
It can cause earthquakes and volcanoes depending on the type of plate movement
