Explanation

 Pangolins, sometimes known as scaly anteaters, are mammals of the order Pholidota

The one extant family, the Manidae, has three genera: Manis, Phataginus, and Smutsia.

Domain: Eukaryota

Kingdom: Animalia

Phylum: Chordata

Class: Mammalia

Mirorder: Ferae

Clade: Pholidotamorpha

Order: Pholidota

Weber, 1904

Explanation

The burning of fossil fuels has several disadvantages:

A. Release of Harmful Gases: It emits pollutants like carbon monoxide, sulfur dioxide, nitrogen oxides, and particulate matter, contributing to air pollution and health issues.

B. Oxygen Consumption: Combustion requires oxygen, as fossil fuels react with it to produce energy and byproducts.

C. Carbon Dioxide Emission: It releases significant amounts of carbon dioxide, a major greenhouse gas driving climate change and global warming.

Explanation

 A spectrophotometer measures the amount of light absorbed by a substance at different wavelengths.

It is widely used in plant studies to analyze how leaves absorb specific wavelengths of light, which is crucial for understanding photosynthesis.

Explanation

 The standard weight of a cricket ball used in professional matches ranges between 155.9 grams (5.5 ounces) and 163 grams (5.75 ounces).

This weight is mandated by the International Cricket Council (ICC) for international matches and is consistent across all game formats.

Explanation

 Microscope Diopter

This is a simple turning device which is either attached to the outside of an eyepiece tube of a binocular head, or to the eyepiece itself. When the diopter is turned, it raises or lowers the eyepiece to adjust the focus for each eye.

Explanation

Abbasid caliphate, second of the two great dynasties of the Muslim empire of the caliphate.

It overthrew the Umayyad caliphate in 750 ce and reigned as the Abbasid caliphate until it was destroyed by the Mongol invasion in 1258.

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The Abbasid historical period lasting to the Mongol conquest of Baghdad in 1258 CE is considered the Islamic Golden Age.