What is nh3+hcl > nh4cl as a balanced equation

You are making a solution of calcium chloride dissolved in water. you add solid, stir, and it dissolves. you add just a spatula tip full, stir, and the solid does not dissolve. how could you describe the solutions before and after adding the spatula tip amount

Ineed this asap part i: scientific method what is the difference between science and pseudoscience? what is the scientific method?

How does climate change cause the ocean's thermohaline current to slow down?