2. White Dwarf Stage
The sun will run out of nuclear fuel and slowly cool down over many billions of years.
Everything comes from the ground so soil or water
Alright my friend the best option to go with will be option C. plate tectonics
If the two genes being crossed are Ff and Ff then the results would be: FF, Ff, and ff
So, if F is the dominant gene for floppy ears then c would be the answer, as dominant genes override recessive ones.
But if f is the gene for floppy ears then the answer is a.
But I’m pretty sure by the question’s phrasing the answer is C.
I hope this helps!