Answer:
dependent.
Explanation:
its dependent on if humans find it or not.
Answer:
The source is outdated
Explanation:
The source is outdated. According to the title line, this source is from 1913 and is therefore outdated and inappropriate for current cancer developments. A dictionary, even with little information, can be an appropriate source for documented definitions. Additional irrelevant information can be disregarded.
Answer:
That is the ball and socket joint
Answer:C (Gives the background and purpose of an experiment)
Explanation: I'm doing the test, this is just a some what knowing guess, hope its right.