Calcium (Ca) is a Pure Element of the 'Alkaline Earth Metal' group and, is a Solid under normal conditions of Temperature and Pressure.olid, liquid and gas are states or phases of an element or substance. But most substances can exist in all three states depending on temperature and pressure.
A hypothesis is. A) a tentative explanation for a set of observations that can be tested by further experimentation. B) a statement describing a relationship between phenomena that is always the same under the same conditions. C) a unifying principle that explains a body of facts and relations. D) a model used to visualize the invisible.
A hypothesis is a proposed explanation of something that has to be verified and tested before it can be widely accepted as fact while aim is the goal or the purpose of the process. 2. While a hypothesis cannot always be true, the aim must always be true and specific in order to effectively prove a hypothesis.