The transpiration is the process by which water is lost in the form of water vapour from the aerial parts of the plants. Only a small amount of... View Article
Answer: The electronic configuration of Eu 3+ ion is [Xe]4f6. Europium is not a naturally occurring element. Europium is found in the majority... View Article
Answer: (1) Wool, grass and paper A biodegradable material can be defined as a material which can be decomposed by bacteria or other natural... View Article
Answer: The Equator represents zero degree latitude. The equator is an imaginary line that divides the globe into two equal portions. The... View Article
Answer: A molecule of hydrogen has hydrogen (Hâ‚‚), it is diatomic molecule. The non-metal hydrogen has the chemical symbol H. H2 is the... View Article
Answer: Sleep provides rest to the entire body. Most mammals, birds, reptiles, and other animals sleep. It occurs as a result of the 24-hour... View Article
Answer: A strong type of dipole-dipole interaction is hydrogen bond, but only a few elements can participate in hydrogen bond formation.... View Article
Solution: Fossil fuels which are traditionally used by human beings everywhere as an energy sources are non-renewable sources of energy. These... View Article
Answer:Â (2) Yeast Anaerobic respiration is a form of breathing that takes place without the presence of oxygen. It's found in yeast, that's why... View Article
Answer: High polarisability increases the strength of attractive interactions. The electron cloud can be easily distorted, and electrons can be... View Article
Answer: Rest and motion are relative terms. In simplified way, an object in motion is one that changes its location, while an object at rest... View Article
Answer: Maize seed has one cotyledon. In flowering plant's seed is an essential component. They produce a new plant as a result of their... View Article
Metameric segmentation is the characteristic of Annelida and Arthropod. It is true segmentation in which external segmentation corresponds to the... View Article
Answer: Voluntary muscle contractions are initiated in the brain, while involuntary reflexes are initiated in the spinal cord. When an action... View Article
Answer: Carbon is incorporated into life-forms through photosynthesis. Photosynthesis is the process used by green plants and a few organisms... View Article
Answer: Atoms and non-polar molecules are electrically symmetrical. If the electronegativity of the two atoms is the same, the electron cloud... View Article
The phenomenon by which an element can exist in more than one physical state is called allotropy. Graphite is an allotrope of carbon which... View Article
Answer: The two cerebral hemispheres are joined together by corpus callosum. The cerebrum is the largest part of the brain. It consists of the... View Article
Answer: 14Si28 and 14Si29 are called isotopes. Isotopes are the atoms of the same element having the same atomic number but different mass... View Article