The correct answer is:
D) Scientists agree that there is an amount of attraction between any two objects, called gravity, and can describe the attraction in mathematical terms.
The explanation:
-A scientific theory is an explanation of an aspect of the natural world that can be repeatedly tested, in accordance with the scientific method, using a predefined protocol of observation and experiment.
-theory can imply that something is an unsubstantiated and speculative guess, the opposite of its meaning in science.
-Observation is part of the scientific method, but not the theory. and Experimentation is part of the scientific method, but not the theory.
So, the correct answer is D