Answer:
unicelullar organism is yeast amoeba euglena
In the majority of cases it is metamorphosed Sandstone
I would say false. All functions are relations but not all relations can be functions. This is because a relation is simply a set or ordered pairs and can have more than one solution sometimes. Therefore is not always a function. A great example is a hyperbola or even simply a circle.
They have 4 types, A,C,G and T