99.99% Sure that the answer is A. Extension ladder.
I hope this helped! : )
Answer:
B.
During inhalation, the external intercostals contract.
Answer:
Initially the key institution and goals of the labor movement were to form union against the growing industrial power. They sought to sideline the middlemen and manage all by themselves as a cooperative stores.
Later these institutions started to negotiate with the employers whom they initially abolished now working with them and making strong political connections. Those that they had sought to previously abolish were now working with them. They lack now there major quality of inclusiveness.
Pretty sure the answer is D
