Violet light has a wavelength of 4. 10 x 10-12 m. What is the frequency.

The graph shows the populations of two species in a particular region over two decades. based on the graph, what can you conclude about the relationship between the two species? a. the two species have a parasitic relationship. b. the two species are mutualistic in nature. c. the two species exhibit commensalism. d. the two species have a prey-predator relationship. e. the two species have a familial relationship.

Which phases do not always fill their containers? select all that apply a. solid b. liquid c. gas

If the null hypothesis is false and the researchers do not reject it a type 2 error has been made. true or false