When jason gets an a on a math test he claims it is because he is smart however when he fails a social studies test for which he didn’t study he claims the test was too hard. his behavior is an example of the

Are the earth's ocean floor and continents the same age geologically? why or why not?

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

Approximately what wavelength of light is best absorbed by chlorophyll a