Answer: It seems to mainly be about the sun, and how scientists think planets orbit around it.
The question wasn’t very specific, so I hope this helps.
Explanation:
I think the answer is the last one; Flame bulb; flat worm.
A flame bulb or a flame cell is a specialized excretory cell found in the simplest fresh water invertebrates, including flatworms, rotifers and nemerteans; these are the simplest animals to have a dedicated excretory system. Bundles of flame cells are called Protonephridia.
About 5 hours based on the cell. Hope this helped
A. trees
<span>B. uranium </span>
<span>C. water </span>
<span>D. salt
</span>
The nucleus of the cell is similar to the Neurological system of the body.