Nitrogen is a key component in fertilizers, essential for plant growth.

Nitrogen is a key component of chlorophyll and is essential for its synthesis, thus playing a crucial role in photosynthesis.

Proteins are essential for muscle repair and growth due to their amino acid content.

Proteins are essential for muscle repair and growth due to their role in building and repairing tissues.

The Rowlatt Act of 1919 was enacted to suppress the growing unrest among Indians.

Article 23 of the Indian Constitution prohibits traffic in human beings and forced labor.

Article 21 of the Constitution deals with the protection of life and personal liberty.

Articles 25 to 28 of the Constitution deal with the Right to Freedom of Religion, ensuring freedom of conscience and free profession, practice, and propagation of religion.

Both Article 29 and Article 30 provide for the protection of the interests of minorities.

Article 23 provides for the Right against Exploitation, prohibiting human trafficking and forced labor.

A complex number z lies on the unit circle if |z| = 1. For z = 1 + 0i, |z| = √(1² + 0²) = 1. For z = 0 + 1i, |z| = √(0² + 1²) = 1. Both 1 + 0i and 0 + 1i lie on the unit circle.

Acetic acid (CH3COOH) is a weak acid that does not completely dissociate in solution.

C2H5OH is ethanol, which is an alcohol.

Sodium is an alkali metal, found in Group 1 of the periodic table, characterized by its high reactivity.

C2H5OH is ethanol, which is an alcohol.

Iron reacts with oxygen to form Iron(III) oxide (Fe2O3) when sufficient oxygen is present.

Magnesium reacts with hydrochloric acid to form magnesium chloride (MgCl2) and hydrogen gas.

When sodium reacts with chlorine, sodium chloride (NaCl) is formed.

Nepal is a landlocked country, surrounded by India and China.

Germany was not a founding member of the United Nations; it joined later.

Variance of A = 0.67, B = 0, C = 12, D = 0. Thus, C has the highest variance.

The Jallianwala Bagh Massacre occurred on April 13, 1919.

The Indian National Congress was formed in 1885, marking the beginning of organized political activity in India.

The Fall of the Berlin Wall in 1989 is widely regarded as the event that marked the end of the Cold War.

The Non-Cooperation Movement was launched in 1920, while the Jallianwala Bagh Massacre occurred in 1919.

The 9/11 attacks occurred on September 11, 2001, leading to major changes in global politics.

Ultrasonic sound refers to frequencies above 20 kHz.

f(x) = x^3 is a polynomial function, which is continuous everywhere.

The function f(x) = e^x is continuous everywhere, including at x = 0.

f(x) = x^3 is a polynomial function and is continuous on the interval [0, 1].