An open structure is one in which the grains are far apart, and a dense structure indicates that the grains are open together. true false

This is science by the way which of the following is an example of an environmental pressure a. the air pressure in the atmosphere b. a lake that is gradually running out of water c. a fight between two members of the same species d. breeding between two members of the same species

Which composer was renowned for creating expressive gregorian chants? a. hildegard of bingen b. carlo gesualdo c. josquin desprez d. guillaume de machaut

What is the american psychological association’s ethical principle of psychologists and code of conduct based upon? a. the work of a dozen world-renowned philosophers and ethical savants. b. the feedback of thousands of psychologists and their ethical struggles. c. the regulatory power and authority of the united states constitution. d. the hippocratic rules and guidelines of medical practitioners and surgeons. select the best answer from the choices provided a b c