Explanation

The Earth is the fifth largest planet in the solar system. 

The order of the planets by size is:

1. Jupiter (largest)
2. Saturn
3. Uranus
4. Neptune
5. Earth
6. Venus
7. Mars
8. Mercury (smallest)

Explanation

Explanation

The diaphragm is a muscle that plays a crucial role in respiration.

It helping to expand and contract the lungs for breathing.

Explanation

The unit used to measure the latitude of the Earth is degrees (°), which can be broken down into minutes (′) and seconds (″).

The equator is the reference line for latitude.

It is defined as 0° latitude.

It divides the Earth into the Northern and Southern Hemispheres.

Explanation

Explanation

A baby’s heartbeat starts before he is born.

It typically around six or seven weeks into pregnancy.

As the heart begins to develop and function while the fetus is still in the womb.

Explanation

Benjamin Franklin discovered electricity and invented the lightning rod and bifocals.

Benjamin Franklin's 1752 kite experiment proved lightning is electricity.

Explanation

Geology is the scientific study of the Earth's physical structure, composition, and processes.

Geology focuses on the Earth's crust, including its rocky parts, and explores its formation, transformation, and historical development.

Explanation

The cave squeaker (Arthroleptis troglodytes) is a species of frog in the family Arthroleptidae.

It is endemic to the Chimanimani Mountains in Zimbabwe.

Explanation

Black gold is a liquid based term applied to oil or petroleum.

It comes in black color when it comes out of the ground.

It is worth a great deal of money. Petroleum is black gold.

Coal is black diamond.