Tran is conducting an investigation about weather. He uses a rain gauge to collect precipitation. On Monday , the gauge collects 15 mm of rain . He fails to record data the next few days . On Friday , he remembers, but the gauge now contains 12 mm of rain . Explain how his results relate to the water cycle

There are 25 elements found in living things. how many of these elements are found in some organisms but not all? 1 , 6 , 19 , 25

One way in which the european union encourages trade among countries is through the use of

Martin, a 32-year-old human relations administrator at a university, believes that all professors over age 50 are incapable of learning the new educational technologies and are content to keep presenting their same "tired, boring" lectures. he often expresses these views to other administrators and does not encourage any of the "older" faculty members to attend professional development meetings related to new teaching approaches nor does he suggest that the university send them to any of the technology conferences. martin is exhibiting