Answer:
I would type it up, but I decided to insert a picture.
Explanation:
Whildlife centers are made to preserve the lion population.
The first step in acquiring scientific knowledge is often:
Observation
Rutherford requested that this also shows that the atom involves mostly of empty space and that all the positive charge is not uniformly spread all the way through the atom but as an alternative, squeezed into a teeny tiny nucleus in the center of the atom.
A variable.
In an experiment, it is important that everything is exactly the same in order to achieve correct results. The only exception are the variables, the independent variable and the dependent variable.
