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Cross-section Dicot, Monocot and Root of Plant Stem under the microscope for classroom education.

Abstract background Organic Form - 3d rendered image of glass structure, optical technology, nano electrical wave, dispersion colorful rainbow. Organic shapes and form. Science fiction or organic technology concept.

$Wet rough asphalt black bitumen road pavement surface abstract grunge texture close-up top view background banner.\nBitumen is a sticky, black, highly viscous liquid or semi-solid form of petroleum. In the U.S., it is commonly referred to as asphalt. It may be found in natural deposits or may be a refined product, and is classed as a pitch. Before the 20th century, the term asphaltum was also used.\nTarmacadam is a road surfacing material made by combining crushed stone, sand, and tar. It is a more durable and dust-free enhancement of simple compacted stone macadam surfaces. The terms \$

the Enchantment Lakes Trail in Leavenworth Washington USA.

Marble quarries in Custonaci Trapany Sicily Italy Aerial view Today, more than 200 quarries, 54 of which in activity, are recorded in a small area 3 km2 between Monte Cofano and Monte Sparagiaio.

mountains seen from Sass Pordoi in the Italian Dolomites and it almost looks like a lunar landscape without vegetation at over 3000 meters above sea level

Detailed view of mountain surface in winter (Charyn canyon, Kazakhstan)

Transmission electron microscope (TEM) micrograph showing dark melanin granules in a melanocyte (top center) and in several keratinocytes, which, unlike melanocytes, have bundles of keratin filaments

$plant Flower bud of Lilium brownii var.viridulum T.S.\nunder light mircoscope with white background$

Beautiful view of majestic Tahquitz Peak on a clear sunny spring day with patches of snow remaining from the winter, Devils Slide Trail, San Jacinto Wilderness, Idyllwild-Pine Cove, California

Close up details of large rock formations and granite walls in Yosemite National Park, California, USA.

Clay Hills View in Nallihan. They Are Hills Created By The Wear Of Clay Layers With Different Resistance. Nallihan is a district of Ankara Province.

$TURKEY, the most famous and high-quality marble mine in the world, has many marble mines with colors such as white, red, beige and pink travertine.\na difficult, dangerous job$