How to solve the problem of individual series of mean

After egg fertilized with sperm, the zygote undergo a series of cell division. About seven days after fertilization the blastocyst clings to the walls of the uterus. This stage in which embryo adheres to the wall of the uterus is known as implantation. Through implantation, the foetus receives oxygen and ... Read More

To do: To find the symbol in the place of * be so that (V)LXXX*X is equivalent to 5089.Solution:Here (V) is a new Roman Numeral which means $5000$.We know $5089 = 5, 000 + 80 + 9$$5, 000 = (V)$;$80 = 50 + 10 + 10 + 10 = L ... Read More

Given:The ratio of the tree's height and its shadow = 4: 1. Length of the tree's shadow = 15 ft. To do: Find the height of the tree. Solution: Let, the length of the tree = h ft. So, ⇒ h : 15 = 4 : 1 ⇒ $\frac{h}{15} = \frac{4}{1}$ ⇒ h = 15 × 4 ⇒ h = 60 Therefore, the height of the tree is 60 ft

There are four major reasons for soils to become acidic: rainfall and leaching, acidic parent material, organic matter decay, and harvest of high-yielding cropsIf soil is too acidic, it creates deficiencies in the available supply of nitrogen, phosphorus, potassium and magnesium. These are important macronutrients that plants need in high ... Read More

Density is a word that is used to describe how much space an object or substance takes up (its volume) in relation to the amount of matter in that object or substance (it's mass).We can also define it as, the amount of mass per unit of volume. If an object ... Read More

The name coir comes from the Malayalam word 'kayar', meaning cord.Coir or coconut fibre is a natural fibre extracted from the hard outer husk of coconut that surrounds the shell of the coconut, which have traditionally been used to manufacture rope, carpets, doormats, mattresses, brushes etc.

Evaporation is the process by which liquid gets converted into gaseous form due to an increase in temperature and in pressure.It is a fundamental part of the water cycle and is constantly occurring throughout nature.The water spilt over ground dries much faster in summer due to evaporation occurring at a ... Read More

The presence of starch(carbohydrate) in leaves can be tested by the iodine test. Here, are the steps to test the presence of starch in leaves: Step1- Pluck a green leaf from a plant that has been exposed to sunlight for a few hours.Step2- Fill a beaker with half water and ... Read More

An explosive (or explosive material) is a reactive substance that contains a great amount of potential the energy that can produce an explosion if released suddenly, usually accompanied by the production of light, heat, sound, and pressure.