subject
Physics, 03.02.2020 20:46 lanay645

In 1947 thor heyerdahl sailed a simple raft from peru to polynesia, following the ocean currents for more than 6,000 kilometers. which statement accurately describes what heyerdahl proved by this voyage? a. ancient peru was settled by people from polynesia. b. people from ancient peru were the first settlers of polynesia. c. it would have been possible for people from ancient peru to reach polynesia by following ocean currents. d. polynesia was settled accidentally when rafts from peru were carried out by ocean currents.

ansver
Answers: 2

Another question on Physics

question
Physics, 22.06.2019 06:30
Which of these statements is true? a. quarks pair with leptons to form protons and neutrons. b. quarks pair with bosons to form photons. c. quarks pair with photons to form protons and neutrons. d. quarks pair with other quarks to form protons and neutrons. e. quarks pair with electrons to form protons.
Answers: 1
question
Physics, 22.06.2019 07:30
Select all of the following that are equal to an impulse of 20 unitsa) force= 5, time= 5.5b) force= 25, time= 0.8c) force= 0.1, time= 200d) force= 10, time= 2(its b, c, and d)(also in order to find answer they have to add to get the unit)ex= 25x.8=20 or .1x200=20
Answers: 1
question
Physics, 22.06.2019 10:50
Asheet of steel 1.5 mm thick has nitrogen atmospheres on both sides at 1200oc and is permitted to achieve a steady-state diffusion condition. the diffusion coefficient for nitrogen in steel at this temperature is 6 x 10- 11 m2 /s, and the diffusion flux is found to be 1.2 x 10-7 kg/m2 -s. also, it is known that the concentration of nitrogen in the steel at the high-pressure surface is 4 kg/m3 . how far into the sheet from this high-pressure side will the concentration be 2.0 kg/m3 ? assume a linear concentration profile.
Answers: 3
question
Physics, 22.06.2019 11:30
Which of the following is the phase that results when the moon is on the opposite side of the earth from the sun? a. quarter moon b. crescent moon c. new moon d. full moon
Answers: 1
You know the right answer?
In 1947 thor heyerdahl sailed a simple raft from peru to polynesia, following the ocean currents for...
Questions
question
History, 27.09.2020 21:01
question
Mathematics, 27.09.2020 21:01
question
Mathematics, 27.09.2020 21:01
question
Mathematics, 27.09.2020 21:01
question
Mathematics, 27.09.2020 21:01
question
History, 27.09.2020 21:01
question
Mathematics, 27.09.2020 21:01