Explanation

The mass ratio of carbon to hydrogen in methane is 3:1.

methane formula:CH4 C:H 1:4

It requires 3 grams of Carbon for one gram of Hydrogen. So, for 36 grams of Carbon, we require 12 grams of Hydrogen.

Explanation

Explanation

The main difference between a mainframe and a super computer of Supercomputers are focused to execute few programs as fast as possible while mainframe uses its power to execute as many programs concurrently.

Explanation

The Greek historian Herodotus and the scholar Callimachus of Cyrene , at the Museum of Alexandria, made early lists of seven wonders.

Explanation

Stonehenge is a prehistoric monument on Salisbury Plain in Wiltshire.

It consists of an outer ring of vertical sarsen standing stones, each around 4.1 metres high, 2.1 metres wide, and weighing around 25 tons, topped by connecting horizontal lintel stones.

Founded: Bronze Age

Height: Each standing stone was around 4.1 metres

Designated as world heritage site: 1986 

Explanation

Microsoft PowerPoint is a powerful slide show presentation program.

It is a standard component of the company's Microsoft Office suite software, and is bundled together with Word, Excel, and other office productivity tools.

The program uses slides to convey information rich in multimedia.

Explanation

Hypertext Markup Language is the standard markup language for creating web pages and web applications.

With Cascading Style Sheets and JavaScript.

Explanation

The Kandhkot gas field is located in the Middle Indus Basin of Pakistan.

It was brought onstream in 1987, almost 30 years after its discovery.

This was mainly due to a lack of market and infrastructure required for development of the low calorific gas.

Explanation

 In 637 or 638, Caliph Umar traveled to Jerusalem in person to receive the submission of the city. The Patriarch thus surrendered to him.

The Muslim conquest of the city solidified Arab control over Palestine, which would not again be threatened until the First Crusade in 1099.*****

RY 4-12-2022

Explanation

It is used to manipulate a text document, such as a resume or a report.

We typically enter text by typing, and the software provides tools for copying, deleting and various types of formatting. So in given options it would most likely be used to do type a biography.