Answer:
Answer choice B.
Explanation:
Comets are usually made up of ice, dust, and gas, meaning that options A and D are wrong. Also, as a comet approaches the sun, its particles heat up so quickly that they don't have time to become liquid; they turn straight from solid to gas. This makes them very visible when they come near the sun. Therefore, the correct answer is B. Hope this helps!
Answer:
They attach at the kinetochore. Which can be a disk or a protein.
Answer A. (The fatty acids of the lipid molecules in the food contain more than one double bond).
When a food label on your favorite snacks claims that it only contains polyunsaturated fats, it means it is a snack with healthy fats. Eating moderate amounts can benefit your health. Its structure constitutes two or more double bond of carbon.
Dido..........................