I believe the correct answer is A. Photosynthetic organisms, because they remove certain amounts of CO2 in the atmosphere to carry out the process of photosynthesis. Unlike the other options that increase CO2.
Answer:
In the aftermath of the nuclear crisis in Japan, the country engaged in a massive cleanup. It cleared tons of debris, rebuilt roadways and bridges, and demolished and cleared out damaged buildings. In the future, plans should be in place for organizing citizens in cleanup efforts, making the streets safe during cleanup, and safely disposing of debris.
In addition, public transportation and airports need to function as soon as possible after such an event. Therefore, government staff should develop disaster-recovery plans for the most vital transportation systems. Local governments also need to provide short-term and longer-term housing for those who lose their homes. Designated shelters, such as schools or other community buildings, should be made ready for this purpose. Governments also need to help people get insurance payments, loans for rebuilding, and sound advice for where to locate new homes and how to strengthen them.
Explanation:
Exact answer, so you should paraphrase.
Quasars are a kind of active galaxy that has been observed at the greatest distances from us.
