Explanation Oxygen makes up about 65% of the human body by weight/mass. It mainly due to its presence in water and organic compounds. It is essential for respiration and various biochemical processes in the body.

Explanation An ammeter is a device specifically designed to measure electric current (in amperes).

Explanation Allama Iqbal joined the Muslim League in 1908 in London and in the subcontinent in 1922. His 1930 Presidential Address to the All-India Muslim League was delivered on December 29, 1930 , in Allahabad. Iqbal, the National Poet of Pakistan. He was born on November 9, 1877, in Sialkot. He was died on April 21, 1938, in Lahore. He is buried at the Tomb of Allama Iqbal in Lahore.

Explanation This is a conditional sentence which means اگر آپ بس پر جائیں گے تو آپ کو دیر ہوجائےگی۔

Explanation This is a simple sentence of Present Indefinite Tense. Present Indefinite Tense Active Voice: Subject + Verb + Object Passive Voice: Object + is/am/are+ third form of a verb + by + subject. Explanation Explanation Explanation Generally, objective case comes after a preposition. Examples:examples :   I know about him. “He” is the subjective case while “him” is the objective case. "About" is the preposition here. Explanation Articles "A" and "AN" are used with some expressions. For example: Make a noise, give a warning, have a pain, have a great education etc. Explanation Preposition connect the words Explanation We use since from a particular time in the past until a later time, or until now. Explanation   for is used with a period of time. Since is used to refer to a specific point in time.  Explanation This is a conditional sentence which means اگر آپ بس پر جائیں گے تو آپ کو دیر ہوجائےگی۔ Explanation roomy وسیع

Explanation This is a simple sentence of Present Indefinite Tense. Present Indefinite Tense Active Voice: Subject + Verb + Object Passive Voice: Object + is/am/are+ third form of a verb + by + subject.

Explanation

Explanation

Explanation Generally, objective case comes after a preposition. Examples:examples :   I know about him. “He” is the subjective case while “him” is the objective case. "About" is the preposition here.

Explanation Articles "A" and "AN" are used with some expressions. For example: Make a noise, give a warning, have a pain, have a great education etc.