Questions

Mixed economy is the most common economic system in the world.

Charles Dickens pen name is Boz. Charles John Huffam Dickens was a British English writer and social critic of 19th century. He created some of the world's best-known fictional characters and is regarded by many as the greatest novelist of the Victorian era.

Yes

Main memory - only large storage media that the CPU can access directly.

Secondary storage - extension of main memory that provides large nonvolatile storage capacity.

We have all been taught that water freezes at 32 degrees Fahrenheit, 0 degrees Celsius, 273.15 Kelvin. That's not always the case, though. Scientists have found liquid water as cold as -40 degrees F in clouds and even cooled water down to -42 degrees F in the lab.

Chloroplasts contains chlorophyll, the green substance in plants that allows them to create food from carbon dioxide and water called as photosynthesis.

Here in the option B) H2SO4 - Sulfuric acid is reacting with sodium hydroxide (NaOH), a base to produce a salt (Sodium Sulfate), and water (H2O). This is characteristic of of acid-base neutralization reactions.

Receptors for hearing the organ of corti or the spiral organ is located in the the mammalian cochlea.