Earth’s outer core is a molten layer of liquid . A) putty B) rock C) iron & nickel D) water

This question is about electrolysis. metal spoons can be coated with silver. this is called electroplating. suggest one reason why spoons are electroplated?

All cells are made of four types of acids, lipids, proteins, and carbohydrates.

Compare and contrast refraction of light and sound will give brainliest