Why do many scientists support the land bridge theory of migration? Check all of the boxes that apply There is a land bridge connecting Asia and North America today.
Aland bridge connected Asia and North America thousands of years ago.
Aland bridge would have allowed the first migrants to spread rapidly across North America.
Crossing the land bridge would have been simple for the first migrants.
People might have crossed a land bridge while hunting animals.

in 1948, swiss engineer/amateur mountaineer george de mestral went hiking in the woods with his dog. when they arrived back home, george found burrs stuck to his dog’s fur. this inspired him to create velcro.

explanation:

people cluster in places that have rich soil, fresh water, and mild climates.

explanation:

radiative zone

explanation    

radiative zone is the layer of the sun which energy is transferred away from the core by radiation. although, the core is the only part of the sun that produces an appreciable amount of heat through fusion. in fact, 99% of the energy produced by the sun takes place within 24% of the sun's radius.