Explanation

An invertebrate is an animal without a backbone.

Worms, like earthworms, are classified as invertebrates.

They lack a backbone and are found in various environments. 

Explanation

Cholera means ہیضہ

Typhoid means ایک قسم کا بخار

Typhoid and cholera spread through contaminated water, especially in areas with poor sanitation.

They are classic examples of water-borne diseases caused by bacteria like Salmonella typhi and Vibrio cholerae.

Explanation

The Hindbrain is divided into three main parts:

• Medulla Oblongata (controls breathing, heart rate, and blood pressure)
• Pons (involved in controlling sleep and arousal)
• Cerebellum (coordinates movement, balance, and learning)

Explanation

Pieris Rapae is scientific name given to butterfly.

Pieris Rapae is derived from a Greek word. 

Pieris Rapae means Radish.

Explanation

Explanation

Explanation

Explanation

Flatworms (phylum Platyhelminthes) have unsegmented, flat bodies.

Earthworms and tapeworms have segmented bodies.

Explanation

ایک ایسی بیماری ہے جس سے کمزوری ہوجاتی ہے اور جسم میں خون کی کمی ہوجاتی ہےScurvy

Scurvy is a disease caused by a serious vitamin C deficiency.

Not eating enough fruits and vegetables is the main cause of the disease. 

scurvy can lead to bleeding gums, loosened teeth and bleeding under your skin.

Vitamin C, also known as ascorbic acid, is necessary for the growth, development and repair of all body tissues.

Explanation

Solar energy is radiated from the sun in the form of electromagnetic waves of shorter wavelength of 0.2 to 0.4 micrometers.

Out of all the solar energy radiations reaching the earth's atmosphere,

8% is ultraviolet radiation,

40% is visible range light 

46% is by infrared radiation.