Why should we spend money on expensive space exploration we have enough underfunded programs here on Earth. A. Why should we spend money on expensive space exploration, we have enough underfunded programs here on Earth. B. Why should we spend money on expensive space exploration we have enough underfunded programs here on Earth? C. Why should we spend money on expensive space exploration we have enough underfunded programs here on Earth. D. Why should we spend money on expensive space exploration? We have enough underfunded programs here on Earth