hello every one who sees this can you go and make a stopid easy question and if I answer can I get brain I just need to more brains

Consider the model of the oxygen cycle on earth. the majority of earth's oxygen reservoirs are found in the a) atmosphere. b) biosphere. c) hydrosphere. d) lithosphere.

What is the main reason that attitudes are more often revealed in spoken rather than written language? a. in writing, we try to put the "best face" on what we write. b. we speak far more often than we write. c. in writing, we can more easily conceal our attitudes. d. in spoken language, we are often careless in our use of words.

Consider the venn diagram of plant reproduction. where in this image, areas a - d, would you insert the picture of the orange lily?