Explanation

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

This layer contains about 75-80% of the atmosphere's total mass and up to 99% of its water vapor. 

Explanation

Sunlight is composed of a spectrum of light 

A spectrum revealed by Isaac Newton using a prism

That includes seven colors, which are (ROYGBIV)

1. Red
2. Orange
3. Yellow
4. Green
5. Blue
6. Indigo
7. Violet

Explanation

The study of the universe's origin, nature, and evolution is called Cosmology

Edwin Powell Hubble is called the father of Cosmology.

The term cosmology was first used in English in 1656 in Thomas Blount's Glossographia, with the meaning of "a speaking of the world"

Explanation

Etymology is the study of the origin of words.

At its most basic level, etymology is the study of a word's history

Explanation

Astronomy is the science that deals with stars, planets, moons, and all objects beyond Earth’s atmosphere.

It helps in understanding the origin, evolution, and structure of the universe.

Explanation

Paediatrics is the branch of medicine that deals with the health and medical care of children.

It covers newborns, infants, children, and adolescents.

Explanation

Maslow's Hierarchy of Needs theory relates primarily to human motivation

It suggests that human needs are arranged in a pyramid from basic to higher-order needs.

The levels include physiological, safety, social, esteem, and self-actualization.

Explanation

• Sedimentary rocks are rocks formed by the deposition and compression of sediments over time.
• Also called stratified rocks because they are formed in layers (strata).
• Often porous, meaning they have small holes (pores) that can contain water or other fluids.

Additional information:

• Cover about 75% of the Earth's surface.
• Examples: Sandstone, Limestone, Shale.
• Usually softer and less dense than igneous rocks.

Explanation

The Pangolin is widely considered the most illegally trafficked mammal in the world

As 20% of all illegal wildlife trade.

Explanation