You are sitting on a very slowly sinking ship out at sea. All of the electronics of the ship are fried so you cannot radio for help. You decide to write a message, put it in a bottle,
and throw it overboard. The waves have an amplitude of 0.4 m and their period is 5 s.
How long will it take the waves to move the water and deliver your message in a bottle to
land that is 3 km away?
Write a few complete sentences to explain how to determine this value.

Creation of an unnaturally uniform sample to represent a diverse populationcan be avoided by: a. including only willing b. asking another scientist for .c. choosing only identical participants. d. selecting individuals at random.

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

Which describes the habitat of a frog?