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

Close-up view of pyrite

specimen of natural rough chrysoberyl crystal cutout on white background

The 12 constellations of the zodiac drawn on an old paper.

Freshwater aquatic zooplankton and algae under microscope view

Photomicrograph of filamentous blue-green algae, Oscillatoria species. Each band along the stand is one cell. This filament is very short probably having recently parted from a longer one. Filaments are typically many times longer. This algae is mobile, it moves and twists through the water. San Francisco Bay, California, USA. Live specimen. Wet mount, 40X objective, transmitted brightfield illumination. Note - motion blur of live specimen, very shallow depth of field, chromatic aberration and uneven focus are inherent in light microscopy.

plant Stem-Collenchyma C.S. under light mircoscope with white background

Cross section leaf of plant under the light microscope view for botany education.

Pyrite, chalcopyrite, quartz specimen from Cavnic, Romania. photography isolated on black background. macro detail close-up mineral crystal unpolished semi-precious gemstone.

Cereals

set of various unpolished yellow rocks with names cutout on white background

Agate raw ore

Natural Magnesite Mineral crystals - Magnesium Cluster

stx2a is a subtype of Shiga toxin-producing E. coli (STEC) linked to Hemolytic Uremic Syndrome (HUS), a severe condition impacting kidney function and blood clotting. STEC poses a significant risk of foodborne illness and can spread within communities including family members.

False color image of diatom under the microscope

Image of a crystal cup of enlightenment with colored light

Druza of large crystals of galena, with crystals of calcite and siderite

Grassland background.

Sulfur crystals mineral specimen

Physical map with transparent lines - Europe.

acid leached wire gold with quartz pockets

emerald crystal cluster from Panjshir, Afghanistan isolated on white background

Zeolite crystals in cavities of Igneous volcanic basalt rock

macro shooting of collection natural rock - crystal of gypsum mineral stone isolated on white background

Aragonite

chrysoprase, closeup of the stone

Colorful Crystal texture, design element for use.

Diatoms are photosynthesising algae, they have a siliceous skeleton (frustule) and are found in almost every aquatic environment including fresh and marine waters, soils, in fact almost anywhere moist.

Pegmatite mineral close up

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A_nearby_galaxy_cluster_about_65_million_light_years_from_Earth..jpg

Sarychev Volcano edit.jpg

Glosario del APWeb - estilos.svg

Glosario del APWeb - gineceo y pistilo.svg

Point quadtree.svg

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Fe(CO)5 structure.svg

Tolyl group structure.svg

Structure martensite.svg

ING Group structure.svg

Vinyl Group General Structure.svg

Structure FeAl B2.svg

Carminic acid structure.svg

Isobutyl group.svg

Cryst struct deficit.svg

Sec-butyl group.svg

Tert-butyl group.svg

Sulfonate Group.svg

Sr 2 Ru O 4 Layered Perovskite Structure.svg

Isopropyl group.svg

General struct benzylidene group.svg

General struct mesityl group.svg

General struct benzhydryl group.svg

General struct trityl group.svg

General struct phenethyl group.svg

General struct styryl group.svg

General struct cinnamyl group.svg

General struct alcohol group.svg

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General struct selenol group.svg

General struct tellurol group.svg

General struct thioketone group.svg

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General struct aldehyde group.svg

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General struct thioether group.svg

N-propyl group.svg

Hydroxyl group.svg

Acetic acid group.svg

Glycine carbamate group.svg

1-3 dipole diazo-007.svg

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Ethan sulfonic acid group.svg

Mauthner Cell axon cap schematic.svg

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