What is the concentration of nitrate ions in a solution obtained by mixing 300. Ml of 0. 210 m potassium nitrate(aq) with 300. Ml of 0. 150 m zinc nitrate(aq).

Scientific evidence tells us that the cause of earths four season is the tilt of earth as it revolves around the sun. the student is instructed to illustrate this information in a science notebook. how will the student illiterate winter in the northern hemisphere?

Compare and contrast refraction of light and sound will give brainliest

If oil spills continue, all of the following should be expected except (2 points) death of aquatic life. polluted groundwater. decreased soil productivity. increased global temperatures.