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    Ripe wheat stems in field in summertime — Stock Photo
    Ripe wheat stems in field in summertime
    Student in wheelchair examining fuel control valves on furnace in HVAC classroom — Stock Photo
    Student in wheelchair examining fuel control valves on furnace in HVAC classroom
    Close-up of female florist arranging flowers in a bottle at her flower shop — Stock Photo
    Close-up of female florist arranging flowers in a bottle at her flower shop
    Portrait confident, serious male science teacher standing behind molecular structure in classroom — Stock Photo
    Portrait confident, serious male science teacher standing behind molecular structure in classroom
    Green And Red Grapes — Stock Photo
    Green And Red Grapes
    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    Plant with thin stem and tiny pure water drops on curved leaf growing in woods on blurred background — Stock Photo
    Plant with thin stem and tiny pure water drops on curved leaf growing in woods on blurred background
    Closeup green tomato ripening with raindrops on branches of plant growing in agricultural field in countryside — Stock Photo
    Closeup green tomato ripening with raindrops on branches of plant growing in agricultural field in countryside
    Smiling girl students assembling computer in classroom — Stock Photo
    Smiling girl students assembling computer in classroom
    A discarded face mask on the ground — Stock Photo
    A discarded face mask on the ground
    Dry trees with sticking roots in mountain valley in sunny day — Stock Photo
    Dry trees with sticking roots in mountain valley in sunny day
    Cute brother and sister collecting vegetalbes — Stock Photo
    Cute brother and sister collecting vegetalbes
    Maize root. Light micrograph (LM) of section through root of maize plant (Zea mays) showing typical monocot arrangement of vascular bundles. central vascular cylinder is comprised of central cluster of parenchyma cells — Stock Photo
    Maize root. Light micrograph (LM) of section through root of maize plant (Zea mays) showing typical monocot arrangement of vascular bundles. central vascular cylinder is comprised of central cluster of parenchyma cells
    Students assembling robotics in classroom — Stock Photo
    Students assembling robotics in classroom
    Whole ripe green apple with foliage and pure small aqua drips on black background — Stock Photo
    Whole ripe green apple with foliage and pure small aqua drips on black background
    Palm leaves composition — Stock Photo
    Palm leaves composition
    Broccoli on wooden table — Stock Photo
    Broccoli on wooden table
    Dreamy redhead female with long hair opening door of greenhouse with plants looking down — Stock Photo
    Dreamy redhead female with long hair opening door of greenhouse with plants looking down
    Portrait male science teacher teaching DNA lesson at projection screen — Stock Photo
    Portrait male science teacher teaching DNA lesson at projection screen
    Close-in View of Young Girl At Kitchen Table Doing School Work — Stock Photo
    Close-in View of Young Girl At Kitchen Table Doing School Work
    A bunch of green chard on background. Vegan organic diet concept — Stock Photo
    A bunch of green chard on background. Vegan organic diet concept
    Focused boy students using digital tablet at microscope in laboratory classroom — Stock Photo
    Focused boy students using digital tablet at microscope in laboratory classroom
    Gardenia, X-ray, radiology scan — Stock Photo
    Gardenia, X-ray, radiology scan
    Small unripe cherry tomatoes growing on twig of plant in agricultural farm in rural area — Stock Photo
    Small unripe cherry tomatoes growing on twig of plant in agricultural farm in rural area
    Human embryonic stem cell, digital illustration. — Stock Photo
    Human embryonic stem cell, digital illustration.
    Scientist viewing sample on glass slide under light microscope. — Stock Photo
    Scientist viewing sample on glass slide under light microscope.
    Student in wheelchair setting up HVAC experiment talking to another student — Stock Photo
    Student in wheelchair setting up HVAC experiment talking to another student
    Prosecco jelly with Aperol spritz granita — Stock Photo
    Prosecco jelly with Aperol spritz granita
    Closeup view of flower under a glass — Stock Photo
    Closeup view of flower under a glass
    Junior high students at computers watching teacher at projection screen in classroom — Stock Photo
    Junior high students at computers watching teacher at projection screen in classroom
    Back view thoughtful bearded male with naked torso holding small twig of oak tree branch against white wall — Stock Photo
    Back view thoughtful bearded male with naked torso holding small twig of oak tree branch against white wall
    Javan tree frog on a plant, Indonesia — Stock Photo
    Javan tree frog on a plant, Indonesia
    Student in wheelchair setting up generator experiment while student examines HVAC system — Stock Photo
    Student in wheelchair setting up generator experiment while student examines HVAC system
    Yellow flowers growing on branch in nature. — Stock Photo
    Yellow flowers growing on branch in nature.
    Boy student using microscope, conducting scientific experiment in laboratory classroom — Stock Photo
    Boy student using microscope, conducting scientific experiment in laboratory classroom
    From above of crop happy ethnic young female florist in apron smiling and cutting wrapping paper while arranging elegant bouquet of fresh assorted colorful flowers — Stock Photo
    From above of crop happy ethnic young female florist in apron smiling and cutting wrapping paper while arranging elegant bouquet of fresh assorted colorful flowers
    Girl at rapeseed field — Stock Photo
    Girl at rapeseed field
    Instructor using demo board to explain HVAC control system operation one student in wheelchair — Stock Photo
    Instructor using demo board to explain HVAC control system operation one student in wheelchair
    Smiling female science teacher leading lesson at whiteboard in classroom — Stock Photo
    Smiling female science teacher leading lesson at whiteboard in classroom
    Chicory stem with leaves — Stock Photo
    Chicory stem with leaves
    Lemon verbena spring with leaves, close up shot — Stock Photo
    Lemon verbena spring with leaves, close up shot
    Close-up of leaf hopper nymph on thin yellow plant stem. — Stock Photo
    Close-up of leaf hopper nymph on thin yellow plant stem.
    Human brain anatomy, 3D illustration. Lobes of the brain are colour-coded: frontal lobe (Pink), parietal lobe (blue), occipital lobe (orange) and temporal lobe (yellow). — Stock Photo
    Human brain anatomy, 3D illustration. Lobes of the brain are colour-coded: frontal lobe (Pink), parietal lobe (blue), occipital lobe (orange) and temporal lobe (yellow).
    Close-up of a bug on a plant, Indonesia — Stock Photo
    Close-up of a bug on a plant, Indonesia
    Cocktails in Stem Glasses — Stock Photo
    Cocktails in Stem Glasses
    Colored scanning electron micrograph of stem cell-derived motor neuron cell. — Stock Photo
    Colored scanning electron micrograph of stem cell-derived motor neuron cell.
    Old rustic box on linen tablecloth with wooden kitchen utensils — Stock Photo
    Old rustic box on linen tablecloth with wooden kitchen utensils
    Smiling male science teacher helping girl students conducting scientific experiment at microscope in laboratory — Stock Photo
    Smiling male science teacher helping girl students conducting scientific experiment at microscope in laboratory
    Computer programmers programming virtual reality simulator glasses in office — Stock Photo
    Computer programmers programming virtual reality simulator glasses in office
    Bouquet of fresh flowers including white lilies eustoma and aster in glass vase at sunshine — Stock Photo
    Bouquet of fresh flowers including white lilies eustoma and aster in glass vase at sunshine
    From above of whole green and red cherry tomatoes in bowl collected in farm during harvest season — Stock Photo
    From above of whole green and red cherry tomatoes in bowl collected in farm during harvest season
    Eucalyptus stems with gift tags, string and scissors — Stock Photo
    Eucalyptus stems with gift tags, string and scissors
    Man working in a large greenhouse — Stock Photo
    Man working in a large greenhouse
    Side view of graceful European crested tit with spotted head sitting on plant stem in lush green meadow on sunny day — Stock Photo
    Side view of graceful European crested tit with spotted head sitting on plant stem in lush green meadow on sunny day
    Young sensual female in black clothes with blossoming flower looking at camera — Stock Photo
    Young sensual female in black clothes with blossoming flower looking at camera
    Flower of sea holly plant on white background. — Stock Photo
    Flower of sea holly plant on white background.
    From above of whole ripe cherry tomatoes on fresh rosemary sprigs with pleasant scent on wooden plate — Stock Photo
    From above of whole ripe cherry tomatoes on fresh rosemary sprigs with pleasant scent on wooden plate
    High angle of indigo milk cap edible mushroom growing on ground covered with dry leaves in autumn forest — Stock Photo
    High angle of indigo milk cap edible mushroom growing on ground covered with dry leaves in autumn forest
    Sincere child in gardening apron with watering pot and looking away against Alocasia in balcony while watering — Stock Photo
    Sincere child in gardening apron with watering pot and looking away against Alocasia in balcony while watering
    Top view of row of green and ripe cherry tomatoes showing ripening stage on white gauze — Stock Photo
    Top view of row of green and ripe cherry tomatoes showing ripening stage on white gauze