Proof of the Creator of the Universe and of Life after Death
Allah, may He be glorified and exalted, says:
وَءَايَةٌ لَّهُمُ
(And a sign for them) means, evidence for them of the existence of the Creator and His perfect power and ability to resurrect the dead,
الاٌّرْضُ الْمَيْتَةُ
(is the dead land.) means, when it is dead and arid, with no vegetation, then Allah sends water upon it, it is stirred (to life), and it swells and puts forth every lovely kind (of growth). Allah says:
سُبْحَانَ الَّذِي خَلَقَ الْأَزْوَاجَ كُلَّهَا مِمَّا تُنبِتُ الْأَرْضُ وَمِنْ أَنفُسِهِمْ وَمِمَّا لَا يَعْلَمُونَ (Pure is the One who has created all the pairs of whatever the earth grows, and of the humans themselves, and of that which they do not know. - 36:36). Here, the word: أَزْوَاجَ (azwaj) is the plural form of: زَوج (zawj) and means pairs. A pair is two things of the same kind and refers to a couple, or a match of the other. For example, a married man and woman is a pair; hence, each one of them is the zawj of the other. Similarly, males and females of animals are pairs. In the botanical kingdom, many trees have been found as having males and females among them. Date palms and Papaya are common examples. Others may also be like these as is the case with all trees bearing fruits and flowers in which, according to modern scientific information, procreation has been identified. In the same way, it is not improbable if the same arrangement of male and female exists in solids, minerals and other elements of creation, though in a manner not discovered as yet -towards which the text points out in: مِمَّا لَا يَعْلَمُونَ (mimma la ya` lamun: and from that which they do not know - 36). Generally, commentators refer to: أَزْوَاجَ (azwaj: pairs) as categories and kinds because the way male and female are called pairs, similarly, two contrasting things are also referred to as pairs, like chill and heat, land and water, sorrow and happiness, health and sickness, then, within each of these, many further degrees, categories and kinds come up in terms of high, low and the average. Similarly, there are many categories and kinds in human beings and animals in terms of color, form, language and way of life. The word: أَزْوَاجَ (azwaj: pairs) is inclusive of all these categories and kinds. In the present verse (36), mentioned first is: مِمَّا تُنبِتُ الْأَرْضُ (all the pairs of whatever the earth grows)- These are the categories and kinds of vegetation. After that, مِنْ أَنفُسِهِمْ and of the humans themselves,) mentioned there are the categories and kinds of human selves as such. And after that, in: مِمَّا لَا يَعْلَمُونَ (and from that which they do not know) included there are thousands of such creations as have not yet unfolded before human beings. Allah Ta’ ala alone knows how many categories and kinds of living forms, vegetation and minerals exist under the layers of the earth and in rivers and in mountains.
Tazkirul Quran
Maulana Wahiduddin KhanOn ayahs 36–39
The accumulation of fertile soil on the surface of the earth; the provision of water, sun and air and the potential in the seed to germinate and grow—these and other such innumerable known and unknown factors combine to produce the food-grains, fruits and vegetables which nourish human beings. This entire system of nature is not the handiwork of man. Its existence and sustenance clearly illustrate the grace of the Creator. Thoughtfully pondering over these facts would overwhelm man with gratitude towards God. Studies show that the ‘principle of pairing’ is in operation in all the things of this world. When the system of this universe is based on the principle that all objects achieve completion by way of pairing, the present world by this logic should also have its counterpart. This crucial insight establishes the possibility of a Hereafter.
Uthmani text of the Madinah mushaf (King Fahd Complex). Translation: Saheeh International. Tafsir via Quran.com.