Explanation

The material used in blood clotting is made up of protein, specifically:

• Fibrinogen (a protein in blood plasma)
• Thrombin (an enzyme that converts fibrinogen into fibrin)
• Fibrin (a protein that forms the clot)

Explanation

Potential energy is the energy an object has due to its position or state.

For example, being elevated in a gravitational field.

It can potentially do work if it moves.

Explanation

The thyroid gland produces thyroxine.

It is a hormone essential for regulating metabolism, energy levels, and growth in the body.

It is located at the front of the neck.

Explanation

Pneumonia is often caused by Streptococcus pneumoniae.

It is a type of bacteria that leads to lung inflammation and infection.

It affecting breathing and oxygen intake.

Explanation

Cells are the basic building blocks of all plants and animals.

It forming the fundamental structure and function of living organisms.

Explanation

Saturated hydrocarbons are called alkanes.

Alkanes are a type of hydrocarbon that have only single bonds between the carbon atoms, and are "saturated" with hydrogen atoms.

They have the general formula CnH2n+2 and are also known as paraffins.

Examples of alkanes include methane (CH4), ethane (C2H6), and propane (C3H8).

Explanation

Gold, silver, and copper are natural minerals found in the earth.

It valued for their distinct properties and wide range of uses.

Explanation

A transformer can either convert high AC to low AC voltages or low AC to high AC voltages.

It functions through electromagnetic induction, adjusting voltage levels without changing from AC to DC.

Explanation

In Karst topography, both gypsum and dolomite are soluble.

They can form karst landscapes through dissolution.

This process is similar to limestone, though it occurs at varying rates.

Explanation

Dengue viruses are spread to people through the bites of infected Aedes species mosquitoes

The mosquito becomes infected when it takes the blood of a person infected with the virus.

After about one week, the mosquito can then transmit the virus while biting a healthy person.24