Explain the land bridge theory in a simpler form and also the pacific ocean theory
Are you asking about how people came from Asia to the Americas about 10,000 to 15,000 years ago?
Simpler form than what?
What I meant is can you make explain the land bridge and pacific ocean theory in a simpler way anyone can understand it
There are lots of theories.
Are you asking about how people came from Asia to the Americas about 10,000 to 15,000 years ago?
Yes
http://study.com/academy/lesson/land-bridge-theory-lesson-for-kids.html
http://www.sfu.museum/journey/an-en/secondaire1er-middle/route_cotiere-coastal_route
The land bridge theory is a hypothesis that suggests early human migration happened across land bridges that connected continents in the past. To understand it, we need to know that during certain periods in Earth's history, sea levels were lower due to larger amounts of water being trapped in glaciers and ice sheets. This resulted in exposed land between certain continents, creating bridges that people and animals could potentially cross.
To explain it in a simpler way, imagine that you are standing on one side of a pond and you want to reach the other side. If there is a bridge connecting both sides, you can easily walk across it to reach your destination. The land bridge theory suggests that similar bridges existed in the past between continents, allowing early humans to travel from one place to another.
On the other hand, the Pacific Ocean theory proposes that another route of migration occurred across the Pacific Ocean. It suggests that early humans used boats or other floating devices to travel across vast stretches of water, eventually reaching new lands. This theory suggests that migration didn't just happen through land bridges but also through water routes.
To put it simply, imagine you want to reach an island on the other side of a lake. If you have a boat or a floatation device, you can navigate across the water to reach the island. The Pacific Ocean theory suggests that early humans may have crossed the ocean using similar methods, travelling long distances by water to reach new territories.
It's important to note that both theories are hypotheses, which means they are explanations that scientists propose based on available evidence. As our understanding of the past evolves, new evidence may emerge that either supports or challenges these theories.