Answer:
Archaeology is the study of ancient peoples of the world.
Explanation:
hope this helps
Answer: The fact that their brain activity revealed that they recognized the sounds they had heard while asleep indicates that the infants learned the sounds they had heard while asleep.
Brain activity revealed that they recognized the sound while asleep and also the only time the sound was played was when they were nappin. Obviously, the sound was learned while asleep.
Porosity is a cavity-like discontinuity and occurs due to the entrapment of gases in the molten weld pool. These entrapped gases don't get a chance to escape from the molten weld pool and hence cause porosity.
<h3>Which discontinuities are caused during welding?</h3>
Weld discontinuities can be defined as "an interruption of the typical structure of a weld, such as a lack of homogeneity in the mechanical, metallurgical or physical characteristics of the weld." Porosity is considered to be the most critical discontinuity. Weld discontinuities include porosity, incomplete fusion, excessive melt.
To learn more about welding visit the link
brainly.com/question/19997700
#SPJ4
Answer:
No.
Explanation:
Because of different climates and soil conditions different crops would grow successfully.
The significance was to get the South American life to change the rights of certain people.