<span>ease or a risk factor such as a smoking or seat-belt use
I hope this helps!</span>
Answer: Classified as a theory.
Explanation: The dictionary definition of theory is a system of ideas that are used to logically explain something. It also says that they are also based off of something not entirely connected to the thing the theory is being made about.
Because the idea that the universe has expanded explains such a large number of observations, which in turn leads to more predictions and therefore more observations that support it, this becomes your system of ideas. Because this system was based off of the aforementioned observations in the first paragraph, this proves that it is best classified as a theory.
metals (left side of periodic table) become positive ions so calcium would be the answer
The type of lipid that estrogen is testosterone
The answer would be sedimentary rock because sedimentary is made up of small grains and also formed by deposition...
