Given:  Six bells commence tolling together at toll at interval of 2, 4, 6, 8, 10 and 12 seconds respectively. To do: To find when the bells will toll together. Solution: The bells will toll together when at time which is a multiple of every single time interval.Thus, we need ... Read More

Guard cells are two bean-shaped specialized plant cells in the epidermis of leaves, stems, and other organs that play an important role in gaseous exchange.They are produced in pairs with a gap between them that forms a stomatal pore and helps to regulate CO2 and the rate of transpiration by ... Read More

Hi Deevanshi, Global warming is the unusually rapid increase in Earth’s average surface temperature over the past century primarily due to the greenhouse gases released by people burning fossil fuels.Global warming occurs when carbon dioxide (CO2) and other air pollutants and greenhouse gases collect in the atmosphere and absorb sunlight ... Read More

Cotton is primarily grown in the Deccan Plateau region in India as it needs black soil to grow.

In any problem we can decide the operation to be used based on a few key words.Some of the key words are: Addition: addaltogetherbothcombinedhow manyincreasejoinplussumtogethertotal Subtraction: deductdetractdecrease bydifferencehow many more?how many left?left overless thanminusreduceremainsremovesubtracttake away Multiplication: as muchbyequal groupsgroups oflots ofmultiplymultiplied byperproduct oftimes Division: averagedivideeachequal partsevenlyeveryout ofquotientratioshared equallysplit Equals: balancedequalequivalentevengivesidenticalismatchessameyields ... Read More

Acid- The substances that taste sour are called acid and their nature is acidic. 1. The term acid is derived from a Latin word acere which means sour.2. An acid is a molecule or ion capable of donating a proton, or, alternatively, capable of forming a covalent bond with ... Read More

Photo decomposition is a chemical reaction in which a substance is broken down into simple substances by exposure to light (photons). Eg: Breaking of silver chloride into silver and chloride in the presence of sunlight.Electrolytic Decomposition means the compound decomposes or breaks up in ions when electricity is passed in a ... Read More

Given:  $26 \times(-48)+(-48)\times(-36)$To do: Find the product using suitable propertySolution:The question is of the form $a \times b + b \times c$, where $a = 26 \ and \ b = (-48), c = -36$First let us use Commutative property to write $a \times b = b \times a$. This ... Read More

Solution:Area of parallelogram = A = base x height  = b x ha) A = 121.5  sq m, b = 16.2 m, h = ?    Ans h = $\frac{A}{b} = 1\frac{21.5}{16.2}$ = 7.5 mb) A = 395 sq cm;   h = 12.5 cm, b = ?  Ans   b =$\frac{A}{h} ... Read More

A magnet is a very special metal that produces a magnetic field. All magnets have north and south poles. Opposite poles are attracted to each other, while the same poles repel each other. When a magnet goes near a special kind of metal or other magnets, it pulls, or attract ... Read More