The statement 'Exploring the relationship between the material in a rock sample and its hardness' correctly describes an experimental investigation (Option C).
<h3>What is an experimental investigation?</h3>
An experimental investigation is defined as a procedure used in the scientific method to test an explanation or hypothesis, which can be confirmed or rejected.
In conclusion, the statement 'Exploring the relationship between the material in a rock sample and its hardness' correctly describes an experimental investigation (Option C).
Learn more about experimental investigations here:
brainly.com/question/2115801
#SPJ1
The Calvin Cycle begins when energy in the form of light is converted into chemical energy.
Diploid saprophytic generation with haploid gametophytic generation.
If we say something is beneficial, it must be positive
and really mean to give advantage to one thing or another. Wave energy is a
renewable energy since it can be used repeatedly over time without any problem
on supply. Hence the greatest benefit it can give would be:
decreased use of nonrenewable resources
The correct answer is <em></em>ii.
The pharyngotympanic tube or else eustachian tube is a structure of the middle ear, which connects the nasopharynx with the middle ear. The function of this structure is to equalize the pressure and drain the mucus produced by the middle ear.