Between 1958 and 2011, the united states has spent almost 500 billion dollars on the space program. concerned about the rising debt in the united states, president barack obama decided to discontinue the space shuttle program. the final launch occurred on july 8, 2011. what was the primary motivating factor for the president's decision? a. popularity b. ethics c. religion d. economicsnevermind the anwser is d economics because it deals with money

Fill in the blank 1. digestion occurs in the small intestine through the action of enzymes. 2. urea, excess water, and other waste materials are eliminated in a water fluid called 3. can cause infections by injecting dna or rna into hosts. 4. the human immune system produces in response to a vaccine, which later can bind to and destroy a pathogen if it invades. 5. are structures that link bone to bone at a joint 6. in the heart, blood flows from the right atrium to the right ventricle, where it is pumped to the the words i can use are: lymphocytes gliding pivot gas urine absorption dermis fulcrum lungs chemical viruses capillary vertebrae esophagus tendons antibodies synapses ligaments kidneys pathogens