Lichen is a plant found on rocks or trees made of both a specific fungus and specific algae that help one another.The fungal component of a lichen absorbs water and nutrients from the surroundings and provides a suitable environment for the alga. These live protected among the dense fungal hyphae ... Read More

Given: Udit can complete a work in 10daysTo do: Find the amount of work he can complete in 8days Solution:Work done in 10 days = 1 complete work Work done in 1 day=$\frac{1}{10}$ So, work done in 8 days = $\frac{1}{10}\times8$                      ... Read More

Perichondrium and periosteum are two types of connective tissues present in the body. The perichondrium is a fibrous connective tissue which forms a dense layer that covers cartilage in the body. It is made out of the outer fibrous layer which contains collagen-producing fibroblast cells and an inner chondrogenic layer which ... Read More

Forest reduces flood risk from the top to bottom. It is a natural absorber of rainwater, as it allows rainwater to seep through them. Lots of raindrops that fall on leaves, evaporate straight into the air- so less water reaches the ground which, also prevents the rain from directly hitting the ... Read More

Synthetic fibres are those fibres that are made by humans through chemical synthesis, whereas natural fibres are those that are directly derived from living organisms. Synthetic fibres are created by a process known as polymerization. Examples- Rayon,   Nylon, Polyester, etc.RAYONNYLONPOLYESTER1. Also known as Artificial Silk.1. The first synthetic made entirely from ... Read More

To find: 15% of 250.Solution:15% of 250 is nothing but 250 multiplied by $\frac{15}{100}$.= $250 \times \frac{15}{100}$ = 37.5So, the answer is 37.5

Mode: The mode is simply the number which appears most often. For example this is a given dataset: 1,7,5,3,1,3,7,3 1 is repeated 2 times 7 is repeated 2 times 5 is repeated 1 time 3 is repeated 3 times 3 is repeated most number of times. So, the mode is 3

Given, [(3−1​)8÷(3−1​)5]−[(3−1​)5÷(3−1​)3] We know that, am÷an=am−na^{m} \div a^{n} =a^{m-n}am÷an=am−nWe have to simplify the given expression. [(−13)8÷(−13)5]−[(−13)5−(−13)3]=((−13)8−5−(−13)5−3=(−13)3−(−13)2=−127−19=−1×1−1×327=−1−327=−427\left[\left(\frac{-1}{3}\right)^{8} \div \left(\frac{-1}{3}\right)^{5}\right] -\left[\left(\frac{-1}{3}\right)^{5} -\left(\frac{-1}{3}\right)^{3}\right] =(\left(\frac{-1}{3}\right)^{8-5} -\left(\frac{-1}{3}\right)^{5-3} =\left(\frac{-1}{3}\right)^{3} -\left(\frac{-1}{3}\right)^{2} =\frac{-1}{27} -\frac{1}{9} =\frac{-1\times 1-1\times 3}{27} =\frac{-1-3}{27} =\frac{-4}{27}[(3−1​)8÷(3−1​)5]−[(3−1​)5÷(3−1​)3]=((3−1​)8−5−(3−1​)5−3                                  ... Read More

Stainless steels have poor corrosion resistance in low-oxygen and poorcirculation environments.In seawater, chlorides from the salt can attack the passive film more quickly than it can be repaired in a low oxygen environment.

The multiples of 2 are numbers that can be divided by 2 exactly, leaving no remainder.Example: 4, 6, 8, 10, 12, 14 etc.We can also say that every even number is a multiple of 2.