Explanation

A declarative sentence states a fact or gives information, like this one about someone learning a language.

It ends with a full stop.

It does not express a command, wish, or question.

Explanation

"In a few days" starts with a preposition (in) and includes its object (a few days), forming a prepositional phrase.

It tells when an action will happen.

Prepositional phrase: about, after, at, before, behind, by, during, for, from, in, of, over, past, to, under, up, with etc.

Explanation

At Pre-structural level, students gather unrelated facts with no clear understanding of how they fit together.

Information lacks organization and doesn’t contribute to building a deeper understanding.

Explanation

"Mr." and "English" are capitalized because they are proper nouns.

"Teacher" is not capitalized because it's a common noun in this context.

Explanation

In the Jigsaw Method, each individual learns part of the material and then teaches it to others, ensuring collaboration.

No single person holds all the information; success depends on teamwork and sharing knowledge.

Explanation

Given the equations:

1. 7x - 4y = 10

2. 2x + 3y = 65

Let's solve them using elimination or substitution. Multiplying equation 1 by 3 and equation 2 by 4 gives us a way to eliminate y:

1. 21x - 12y = 30

2. 8x + 12y = 260

Adding both equations:

29x = 290

x = 290 / 29

x = 10

Explanation

Frogs typically have 26 chromosomes in their body cells.

The number of chromosomes is species-specific and helps in maintaining genetic stability.

Explanation

The phrase “life is a broken-winged bird” directly compares life to a bird without using “like” or “as.”

This is a metaphor, where one thing is said to be another to show similarity.

Explanation

Chemical changes involve a transformation where new substances with different properties are created.

It often through reactions like combustion, rusting, or digestion.

Explanation

Escape velocity is the minimum speed a spacecraft needs to completely overcome Earth's gravitational pull without further propulsion.

For Earth, this velocity is approximately 11.2 km/s.