Questions

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

Like commas, semicolons indicate an audible pause — slightly longer than a comma's, but short of a period's full stop.

Rules for Semicolon ::

1. A semicolon can replace a period if the writer wishes to narrow the gap between two closely linked sentences.

2. Use a semicolon before such words and terms as namely, however, therefore, that is, i.e., for example, e.g., for instance, etc., when they introduce a complete sentence. It is also preferable to use a comma after these words and terms.

3. Avoid a semicolon when a dependent clause comes before an independent clause.

4. Use a semicolon to separate units of a series when one or more of the units contain commas.

Hence according to rule no. 2) option (C) He ate; however, he didn't sleep is correctly puctuated with a semicolon.

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.

A computer programming language is nothing but a language which is understand by the computer.

Examples of programming languages are Basic, C, Java, Python, ...

Kalachakra ceremony is associated with Buddhism. It is a way of planting a seed, and the seed will have karmic effect. One doesn't need to be present at the Kalachakra ceremony in order to receive its benefits.