C, static posture means repeating the same posture over and over again, eventually resulting in static posture
A I think because there was still slavery in the south while he was president
Answer: b. Collaboration that includes diverse backgrounds and perspectives can eliminate the need for software testing.
Explanation:
While collaborating and creating a team that includes diverse backgrounds and perspectives is good for anticipating the needs of the people that will use the software as well as avoid bias, it does not take away the need for software testing.
Software testing must always be carried out as it is a practical test that actually shows whether the software developed is going to match the needs and requirements of the end users.
Im not sure but I think the answer is Pancreas