Aresearcher is interested in the effects of nitrate and phosphate on plant growth and sets up an experiment in which groups of five plants are given 1, 2, and 3 grams of nitrate and 1, 2, and 3 grams of phosphate in all combinations over a period of one month. the researcher measures plant height and weight at the end of the experiment. what is missing in this experimental design?

Why have the aztec ruins in mexico city not been dug up?

Study the following facts: 1915—state education committee banned the french language in public schools (corporal punishment was allowable to deter the act of speaking french). 1916—compulsory attendance: all louisiana children must attend school until the age of 16 years. 1918—louisiana legislative act 114 stated that german could not be spoken on streets, taught in schools, or printed in newspapers (reaction to german aggression in world war i). 1921—repeal of act 114 . 1921—constitutional amendment stated languages other than english were prohibited in public schools. from the information above, answer the following questions to yourself. how did the above legislative laws affect the ethnic cultures generations later? describe the opportunity cost in economic and cultural terms of these legislative decisions. should efforts be made to preserve or revive the cultural traits of unique ethnic cultures in louisiana? assignment research current efforts and organizations that are actively engaged in cultural preservation. create a poster or powerpoint® describing the methods and strategies being employed in the preservation efforts (e. g., french immersion, german fest, codofil, cafa).

How is it possible for bruno and shmuel to have fun together and maintain their friendship