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Hydrophilic molecules readily associate with water molecules and water like molecules such as alcohols.

In all the given options, molecules are containing nonpolar covalent bonds.

The color of giraffe's tongue is purple or bluish to prevent it from sunburn as it lives in tropical regions.

In the early 7th century, 610 A.D Islam was founded and Prophet Muhammad was accredited for its origin. It is beleived that it was first origined in Mecca and Medina.

Deficit spending means spending more than the income getting. A government need to take debts for deficit spending.

The Homestead Strike was when, in 1892, Andrew Carnegie reduced wages at his steel mills in Homestead, Pennsylvania and the union workers refused to accept the cut. The company locked out the union workers and hired nonunion labor and 300 armed guards. The locked out workers gathered weapons and , on July 6, a battle broke out killing ten people.

An improvement in production technology will shift the supply curve to the right.

Analog synthesis uses a mixture of complex sounds that are shaped by filtering. It is based on representing data in terms of measurable physical quantities, in this case sound waves.