Answer:
B. Some of the great contributors to advancement in the United States were immigrants
Explanation:
The United States is a country of immigrants, so using the term immigrants for people that moved slightly later in the country is kind of debatable. Anyway, the later immigrants in the United States had a huge impact on the country, mostly positive.
- The immigrants provided extra labor force which was in high demand, especially with the industry constantly growing.
- Numerous immigrants were people with great ideas, managing to invent new things that led to a rapid development of the United States and making them a global power. A prime example of this is the Croatian Nikola Tesla.
- The large numbers of immigrants resulted in rapid population increase, which also provided the United States with extra military power, which was crucial for its survival, interests, and further actions.
Answer:
The high islands of the Pacific were formed by seismic activity whereas the low islands of the Pacific were formed by coral growth. Continental islands and oceanic islands were formed by volcanic activity.
High islands often have fertile soils and lush rainforests. In contrast, low islands are often less fertile than high islands. Some low islands lack freshwater sources.
Answer:
Domesticating plants marked a major turning point for humans. The beginning of an agricultural way of life and more permanent civilizations. Humans no longer had to wander to hunt animals and gather plants for their food supplies. Agriculture, the cultivating of domestic plants allowed fewer people to provide more food.
Metallic minerals become concentrated in liquid magma due to igneous, hydrothermal processes.
When magma forms first, it cools down and sink. The minerals concentrate at the top forming hydrothermal fluid.