Answer: What roses are the best flowers is a non-scientific question.
Explanation: What flower is better is determined by personal opinion. I might think the red roses are prettier and you might think the white ones are. Where all the other questions can be tested all equally and it is not an opinion.
Arthropods were the first animals to successfully invade land from the sea
Different soil, location can be a factor, the amount of sun, wild and domesticated can vary
I think its batholith
It's formed when magma is forced upwards it then cools and solidifies
