Explanation

The matrix [a b c] is a row matrix.

A row matrix has only one row and can have multiple columns

Explanation

 The Calvin cycle is also known as the C3 cycle or the light-independent reactions of photosynthesis.

It can also be referred to as the Calvin-Benson cycle or the reductive pentose phosphate cycle (RPP cycle). 

Explanation

 The baby is sleeping peacefully:

"Peacefully" is an adverb that correctly modifies the verb "sleeping," describing how the baby is sleeping. 

Explanation

Explanation

A photometer measures the intensity of light absorbed or transmitted by pigments at different wavelengths.

It is used to study absorption spectra, especially in photosynthesis research.

Explanation

tan θ < 0: Quadrants II and IV

sin θ < 0: Quadrants III and IV

Common quadrant: IV

Explanation

Authorize means کسی چیز کے لئے سرکاری اجازت یا منظوری دینا

Grant means کسی چیز کے لئے سرکاری اجازت یا منظوری دینا

Explanation

A glycosidic bond is a covalent bond that links two monosaccharides to form a disaccharide (e.g., glucose + fructose = sucrose).

This bond is formed through a condensation (dehydration) reaction, releasing a molecule of water.

Explanation

As of the most widely accepted recent estimates, about 2.13 million species have been formally described by scientists.

This number includes:

• Animals (insects, mammals, birds, etc.)

• Plants

• Fungi

• Protists

• Bacteria and archaea (though many microbes remain undescribed)

Explanation

In cockroaches, the gizzard (also called proventriculus) is a muscular organ that grinds food with the help of chitinous teeth.

It lies after the crop, which stores food temporarily before it enters the gizzard for mechanical digestion.