Explanation

Troposphere is the lowest layer of the atmosphere where all weather phenomena occur and where we live.

Exosphere is the outermost layer, gradually merging into space, containing very thin air and satellites.

Explanation

Deforestation reduces the number of trees that absorb CO₂ and release oxygen.

This leads to higher CO₂ levels, contributing to pollution and climate change.

Explanation

Industrial waste includes harmful chemicals and toxins dumped into rivers and lakes.

It is a major source of water pollution, harming aquatic life and contaminating drinking water.

Explanation

Biotic Components:

Living organisms (e.g., plants, animals, microbes).

Abiotic Components:

Non-living factors (e.g., sunlight, water, soil, temperature).

Explanation

Explanation

The troposphere is the lowest layer of Earth's atmosphere. 

The Layers of atmosphere are: the troposphere, stratosphere, mesosphere and thermosphere.

Explanation

Explanation

Explanation

• A habitat is the natural environment in which a living thing resides.
• Including all the living and non-living factors that affect its survival and growth.

Explanation

As a raindrop falls:

• Initially, it accelerates due to gravity.

• As its speed increases, air resistance (a drag force) also increases.

• Eventually, a point is reached where the upward air resistance equals the downward gravitational force.

• At this point, net force = 0, so acceleration stops, and the raindrop continues falling at a constant speed.

This constant speed is called terminal velocity.