Answer: All of the above Earth is our life. Protecting our earth from pollution or any other hazard is our... View Article
The unwanted substance which can be the by product or used things is considered as waste. Mainly there are two... View Article
Ozone (O3) is a molecule, made up of three atoms of oxygen. The ozone layer is a natural layer of gas... View Article
Biodegradable wastes pollute the environment only when they are in excess in the environment. Biodegradable substances affect the environment in the... View Article
Substances are classified as biodegradable and non-biodegradable because some substances can be decomposed by microorganisms and some cannot. Explanation Substances... View Article
The various links or steps in a food chain at which the transfer of food and energy takes place are... View Article
The structure of neuron is Neurons are the fundamental unit of the nervous system. Neurons are also called as nerve... View Article
When a plant exhibits some growth movement in response to a stimulus, it is referred to as tropism. Tropism is... View Article
Plant hormones are chemical compounds present in very low concentration in plants. They are derivatives of indole (auxins), terpenes (Gibberellins),... View Article
The transport system of organised plants consists of xylem and phloem. Xylem Xylem which has vessels and tracheids transports water... View Article
Answer: Kinetic energy of an object is the measure of the work an object can do by the virtue of... View Article
Answer: Kinetic energy of an object is the measure of the work an object can do by the virtue of... View Article
Answer: Elements – Elements constitute the simplest chemical substances in which all the atoms are exactly the same. Compounds –... View Article
Answer: Add a cup of milk, which serves as the solvent, to the vessel and heat it. To make a... View Article
Answer: All on this planet is a type of matter, which is described as any substance that occupies space and... View Article
Answer: Crystallization is a method for separating solids from a liquid solution. It is related to precipitation, but in this... View Article
Answer: The majority of the time, the compounds we encounter are not in their purest form. They are, in fact,... View Article
Answer: (c) Different number of neutrons It is also defined as variants of a particular element where these variants will... View Article
Answer: (a) Atomic nucleus Rutherford atomic model According to the Rutherford atomic model: The positively charged particles and most of... View Article
Answer: The atomic mass of an element is the mass of one atom of that element. Average atomic mass takes... View Article
