Explanation

AM (Amplitude Modulation) radio operates in the frequency range of 550 to 1700 KHz.

Explanation

• The trigonometric identity sin²x + cos²x = 1 can be rearranged to isolate sin²x: sin²x = 1 - cos²x
• So, sin²2θ = 1 - cos²2θ

Explanation

• Chlorosis in older leaves occurs due to the deficiency of Magnesium.
• Chlorosis is a condition in which the leaves produce an insufficient amount of chlorophyll, causing yellowing of the leaves.
• Magnesium is the main component of chlorophyll, so its deficiency causes insufficient production of chlorophyll in leaves.

Explanation

• Erythrocytes, also known as red blood cells, have an average lifetime of 100 to 120 days in humans.
• They are produced in the bone marrow and can be recycled by macrophages.
• The average time for an erythrocyte to complete a cycle of circulation is 60 seconds, or one minute.

Explanation

• As you go down the group in the hydrogen halides (HF, HCl, HBr, HI), the bond between the hydrogen and halogen atoms becomes weaker and less stable.
• This is because the halogen atoms become larger and more polarizable, making the bond more susceptible to thermal decomposition.

Explanation

Curmudgeon means کنجوس، لالچی

Bad tempered person means بد مزاج شخص

Explanation

Explanation

• The `--log-bin-index` option is used to enable the binary log index file in MySQL.
• This option allows you to specify the name of the index file that stores the binary log file names.

Explanation

Given sentence is a negative sentence of Present Perfect Tense and in active Voice.

Rule :
Subject + (has /have) + not + been + V3 + Other agents.

Explanation

• The word ARGENTINA has 9 letters, and some of these letters are repeated (2Ns, 2Ts, and 2As). To calculate the number of unique words that can be formed using these letters, we need to divide the total number of permutations (9!) by the number of repetitions: 9! / (2! × 2! × 2!)
• This formula accounts for the repetitions of the N, T, and A letters, and gives us the total number of unique words that can be formed using the letters of the word ARGENTINA.