Answer:
united states is risking lives that could wipe out the population of ukrain where ukrain population could increase by the U.S. to save them and add support to them.
Answer:
a variety of fields to analyze, develop and evaluate large-scale, complex systems.
Answer: The water cycle is basically the whole entire process about how much the water goes around/ circulates through things like land, the atmosphere, etc. it also involves rain, snow, rivers, etc. Then caused by evaporation and transpiration it all returns to the atmosphere.
Explanation: <em>Hope this helped!</em>