Veronica is determining the effect of particle size on deposition in a river. Which field of study is explored in her experiments? O A. Paleontology O B. Climatology O C. Meteorology O D. Geology

How many countries have portuguese as a national language?

Distance that lewis and clark traveled from st. louis to ft. clatsop near the pacific ocean.

This is a 2017 topographic map of puerto rico in the united states, and i'm sorry that people there have suffered such a disaster. i want to ask, what do the yellow dots and areas represent on this graph? and the blue area and the little blue circle, and the little blue sign that looks like a signal tower, what do they stand for?