Subject: PPSC Past Papers

Explanation

Explanation
When a fluid, such as air or a liquid, is heated and then travels away from the source, it carries the thermal energy along

Explanation
Biodiversity is the variability among living organisms from all sources, including terrestrial, marine, and other aquatic ecosystems and the ecological complexes of which they are part; this includes diversity within species, between species, and of ecosystems.

Explanation
Eyes are organs of the visual system. Eyes detect light and convert it into electro-chemical impulses in neurons.

Explanation

Explanation
Mammals are a group of vertebrate animals constituting the class Mammalia, and characterized by the presence of mammary glands which in females produce milk for feeding their Babies, a neocortex, fur or hair, and three middle ear bones.

Explanation
The  interest  rate  cycle  is closely related to the economic or trade  cycle

Explanation
Motorola was the  first  company to produce a handheld mobile phone. On  April 3, 1973 , Martin Cooper, a Motorola researcher and executive, made the first mobile telephone call from handheld subscriber equipment, placing a call to Dr. Joel S. Engel of Bell Labs, his rival. ****

Explanation
Glucose, also called dextrose , one of a group of carbohydrates known as simple sugars

Explanation
The Bo-Kaap is an area of Cape Town, South Africa formerly known as the Malay Quarter.

Explanation

Explanation
When a fluid, such as air or a liquid, is heated and then travels away from the source, it carries the thermal energy along

Explanation
Biodiversity is the variability among living organisms from all sources, including terrestrial, marine, and other aquatic ecosystems and the ecological complexes of which they are part; this includes diversity within species, between species, and of ecosystems.

Explanation
Eyes are organs of the visual system. Eyes detect light and convert it into electro-chemical impulses in neurons.

Explanation

Explanation
Mammals are a group of vertebrate animals constituting the class Mammalia, and characterized by the presence of mammary glands which in females produce milk for feeding their Babies, a neocortex, fur or hair, and three middle ear bones.

Explanation
The  interest  rate  cycle  is closely related to the economic or trade  cycle

Explanation
Motorola was the  first  company to produce a handheld mobile phone. On  April 3, 1973 , Martin Cooper, a Motorola researcher and executive, made the first mobile telephone call from handheld subscriber equipment, placing a call to Dr. Joel S. Engel of Bell Labs, his rival. ****

Explanation
Glucose, also called dextrose , one of a group of carbohydrates known as simple sugars