You should always do A. form a hypothesis before performing an experiment also the other options cannot happen until after an experiment.
Answer:
Nuclear reactions involve a change in an atom's nucleus, usually producing a different element. Chemical changes involve only a rearrangement of electrons.
Explanation: Hope this helps
Brainliest?
No, fire ants can't die with the grit alone.
The substance should be in liquid state.
First, it takes up space in the container, which leads to that it shouldn't be a solid, because solid doesn't change its shape easily.
Second, it has a fixed volume, it's difficult to compress the substance, therefore it shouldn't be gas too, as gas can be compressed easily.
Therefore we're left with liquid. And both of these given properties fits the property of liquid.
