Explanation

To complete the square for x⁴ + 64, recognize that:

(x²)² + 2(x²)(8) + 8² = (x² + 8)²

So, the missing term to complete the square is:

2(x²)(8) = 16x²

Explanation

A catalyst speeds up the rate of reaction but does not affect the position of equilibrium.

Temperature, pressure, and concentration can shift the equilibrium position of a reversible reaction.

Explanation

According to Coulomb's Law, the force between two charges is inversely proportional to the square of the distance between them.

If the distance is halved, the force becomes four times stronger.

Explanation

Curriculum development involves the complete process of designing, implementing, and evaluating the curriculum.

It includes planning the content, teaching methods, assessing learning outcomes, and making improvements based on feedback.

Explanation

Here ignorance means درگزر

Ignoring minor inappropriate behavior is often an effective strategy to reduce it, as it deprives the behavior of attention, which can discourage repetition.

Praise and reward are better used to reinforce positive behavior.

Strictness may be counterproductive for minor issues.

Explanation

New born child has 300 bones.

Longest bone: Femur (thigh bone)

Shortest: Stapes (one of the 3 small bones inside the ear)

Human head has 22 bones

Explanation

The given sentence is in active voice (past continuous tense): She was motivating her friends.

In passive voice, the object (her friends) becomes the subject: Her friends were being motivated by her.

Explanation

The peon respectfully asked if he could help him.

"May I" in direct speech changes to "if he could" in indirect speech.

The word "respectfully" is added to reflect the polite tone of the original sentence.

Explanation

• The male reproductive part of a flower is called the Stamen.

It consists of two parts:

1. Anther (produces pollen grains)
2. Filament (supports the anther)

Explanation

Jogging in place helps strengthen certain muscles, especially the legs and core, by engaging them through repeated movement.

It may not target as many muscles as running, but it still provides a moderate workout.