Which of charles darwin’s main points is depicted in the image?
organisms within a population compete with each other to survive.
over time, beneficial variations will be passed on to future generations.
more offspring are produced than can be supported by an environment.
all organisms within a population have an equal chance for survival.

the most logical answer would be a

sound moves fastest in solids because the molecules are tightly packed and it allows sound to vibrate

the correct answers are;

a. the rock was made from more than one type of material.

e. layers of hot liquids in the rock cooled and solidified at different temperatures.

these are the two options that are related to the statement given above.