Answer:
sharecropping gave African Americans autonomy in their daily work and social lives, and freed them from the gang-labor system that had dominated during the slavery era, it often resulted in sharecroppers owing more to the landowner for the use of tools and other supplies.
Explained:
Sharecropping is basically ex-slaves using tools from white farmers once slavery was abolished. The only problem was they had to pay for the tools used with money or the crops they grew.
Answer:
Cardiac muscle cells must obey the all-or-none law of contraction
Answer:
extinction
Explanation:
Extinction: In psychology, the term "extinction" is described as one of the learning processes in which gradual decrease or weakening in a particular response related to a "conditioned stimulus" occurs when that particular stimulus is being presented in the absence of any reinforcement. During the extinction process, an entirely new connection with the specific stimulus is being learned that generally inhibits the "expression" of the original memory.
In the question above, the given statement signifies the extinction process.
Mars u can live in just like earth
