Which scientist studies the oxygen, nitrogen, and carbon dioxide levels, as well as water vapor, ozone, and wind?

What do the capital cities of lebanon, kuwait, qatar, united arab emirates, and oman have in common? they are all inland cities. they are all coastal cities. they are all have “stan” in their names.

Which of the following statements best characterizes changes to agriculture in the united states since 1900? a. increased mechanization has reduced the need for labor.b. increased mechanization has increased the need for water, thereby increasing the need for labor.increased mechanization has increased the use of land, thereby increasing the need for labor.d. increased mechanization has increased food production, thereby increasing the need for labor. select the best answer from the choices provided.

Which event had the greatest impact on culture of south america