Which level of organization is made of different types of tissue working together to perform a specific job for your body

The answer is organs. This is true because the body has multiple levels of organization in order to perform specific jobs. The levels are organized by size from the largest to the smallest, in order; organ systems, organs, tissues, cells. Many tissues work together in an organ in order for "organ" level to function properly.

The correct answer is b

Carbon-14 has a half-life of 5,730 years and most igneous rock is older than that.