Answer:
I think a fish
Explanation:
I'm pretty sure the earthworm would get buried or it's bones would just disentergrate. i cannot spell.
The controlled experiments are performed by the scientists, when they want to study the changes in the sample on changing a single variable. So, the correct answer is option (b).
In case, all variables are kept same, no changes would be observed in the experiment sample. A controlled experiment can be performed on living thing as well as non living. But, controlled experiment cannot be performed on the things which are influenced by a lot of variables, as they cannot create realistic results. So, the option (a), (c), and (d) are incorrect.
Answer: Because of lava
Explanation: Hawaii has a lot of active volcanoes, these volcanoes spew out lava on the daily, forming land made from igneous rocks. Hope this helped :)))