Questions

DOZENS.

If we remove 'S' from it, it is DOZEN which tells that 12.

Enzymes are macromolecular biological catalysts. Enzymes accelerate chemical reactions. The molecules upon which enzymes may act are called substrates and the enzyme converts the substrates into different molecules known as products.

Protists are eukaryotic organisms that cannot be classified as a plant, animal, or fungus. They are mostly unicellular, but some, like algae, are multicellular.

Kelp, or 'seaweed,' is a large multicellular protist that provides food, shelter, and oxygen for numerous underwater ecosystems.

In general, polar solvents dissolve polar solutes, and nonpolar solvents dissolve nonpolar solutes.
As water molecules are polar, polar molecules dissolves in water.

Dantiwada Dam is located in Gujarat.

The 828-metre (2,717 ft) tall Burj Khalifa in Dubai has been the tallest building since 2008.

The address bus is unidirectional because the address information is always given by the micro processoe  to address a memory location of an input / output devices.