How do you think a Soviet astronaut would have viewed the Apollo 11 mission as it was taking place? Support your answer.

Witch type of microscope is used to view very small cell components like proteins and dna?

Spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

Which is not a likely outcome after extensive irrigation of dry farmland? useless, unproductive soil salinization of the soil depletion of groundwater nutrient-rich soil