Ozone is a form of oxygen with the chemical formula O3. Ozone is different from oxygen (O2). Oxygen is an important gas for all living organisms whereas ozone is a toxic and explosive gas. Ozone is formed in the upper atmosphere of the Earth by ultraviolet radiation. This radiation splits oxygen molecules into single atoms. […]
• Common name : Dusty Miller • Scientific name : Cineraria maritima • Family : Asteraceae (Compositae) • Native land : Shores of the Mediterranean It is an annual evergreen shrub. The unusual silvery grey/white foliage of this plant provides attractive contrast to bold-coloured garden flowers. It prefers summers that are warm and dry and
Petrol is a liquid fuel used for running vehicles. It is a mixture of carbon and hydrogen, commonly known as hydrocarbons*. The main property of these compounds is that they are light liquids which boil at low temperature. Carbon and oxygen combine with each other quickly as they are attracted to each other. The moment
• Common name : Broadleaf Arrowhead • Scientific name : Sagittarialatifolia • Family : Alismataceae • Native land : Europe and Northern Asia, as well as North America It is a vigorous, deciduous, marginal aquatic perennial that typically grows up to 1 to 4 feet tall. The leaves are borne on triangular stalks that vary
• Common name : Doll’s Eyes/White Baneberry • Scientific name : Actaeapachypoda • Family : Ranunculacea • Native land : Yorkshire and the Lake District It is a herbaceous perennial plant. The name Doll’s Eye originates from its white spherical berries with black dots on the tip. The flowers are in oblong clusters on thick,
• Common name : Dill Seeds • Scientific name : Anethumgraveolens • Family : Apiaceae • Native land : South-Western Asia and India Dill is a hardy annual herb. It is commonly grown for the culinary attributes of its leaves and seeds. The plant grows ordinarily from 2.0 to 2.5 feet high and is very
Water is important for the growth of plants. Irrigation is the process of artificially supplying water to land or soil to help crops to grow. The need for irrigation arose when natural rainfall became insufficient for crops. People made drainages, canals, etc., to direct the reserved water, river water or flood waters towards the place
• Common name : Angel’s Fishing Rods • Scientific name : Dieramadracomontanum • Family : Iridaceae • Native land : South Africa Wandflower is a cormous perennial that produces a clump of grass-like leaves and arching wiry flower stems topped by the spikes of pendulous bell-shaped flowers. The flowers range from shades of brick-pink to
• Common name : Sweet William • Scientific name : Dianthus barbatus • Family : Caryophyllaceae • Native land : Southern Europe from Pyrenees to Carpathians and Balkans This is a short-lived perennial; it is also best grown as a biennial. The plant typically grows 1-2 feet tall and features small flowers held in dense,
Leather is a material made from an animal hide or animal skin after being tanned or treated with chemicals to preserve them and make them suitable for use as clothing, footwear, handbags, furniture, tools, etc. The skins of cows, horses, and goats are often used to make leather. Most leather is made from cattle skin,
A thermometer is an instrument which is used for measuring temperature. It measures how cold or hot something is. There are a number of different types of thermometers. The most common type of thermometer is usually made up of a small, hollow glass tube. At the bottom of the tube is a bulb, which holds
• Common name : Field Larkspur, Knight’s Spur • Scientific name : Delphinium consolida • Family : Ranunculacae • Native land : England, Europe Delphinium is a long-stemmed perennial that typically grows to 4-6 feet tall. Some varieties are annuals, too. In late spring to early summer, the plant produces 3-inch double flowers densely packed
• Common name : Trailing Iceplant, Pink Carpet • Scientific name : Delospermacooperi • Family : Aizoaceae • Native land : Southern Africa The iceplant is a herbaceous perennial plant. This species forms a low mat of succulent, shiny and cylindrical evergreen leaves, bearing loads of small, starry flowers in early summer, then on and
• Common name : Ox-eye Daisy • Scientific name : Chrysanthemum leucanthemum • Family : Compositae/Asteraceae • Native land : Europe, Russia Daisies are robust herbaceous perennials with narrowly oblong leaves and daisy-like flower-heads with white rays. The plant generally grows from 1 to 2 feet high. The stems are hard and wiry, furrowed and
• Common name : Trumpet-Flowered Narcissus • Scientific name : Narcissus sp. Jonquilla • Family : Amaryllidaceae • Native land : Mediterranean region, Northern Africa and Middle East Daffodils are perennials. They bloom from March to May. These daffodils have blooms with flattened outer petals and trumpet-shaped cups that flare from their base to a