What is the removal and transportation of weathered material? Erosion is the physical removal and transportation of weathered material by water, wind, ice, or gravity. Deposition is the process by which weathered and eroded materials are laid down or placed in a location that is different from their source. How weathering are carried away by […]

Which one of the following complexes can exhibit geometrical isomerism? [P(C2H5)3]2] exhibits geometrical isomerism. It exists in cis and trans form. Which of the following complex Cannot exhibit geometrical isomerism? [Cu(en)2]+ complex can not exhibit geometrical isomerism because en is bidentate ligand. Which of the following can form geometric isomers? Solution : Only more than […]

What are giant piles of mining waste called? A spoil tip (also called a boney pile, culm bank, gob pile,waste tip or bing) is a pile built of accumulated spoil – waste material removed during mining. What is meant by mining waste? Mining wastes are mining-related by—products of two types: (a) mining-and-quarrying extraction wastes which […]

Are gas stoves dangerous? People use a variety of heat sources to cook food, including gas, wood, and electricity. Each of these heat sources can create indoor air pollution during cooking. Natural gas and propane stoves can release carbon monoxide, formaldehyde and other harmful pollutants into the air, which can be toxic to people and […]

Why is it important for an organism to maintain an internal environment? Maintaining a constant internal environment by providing the cells with what they need to survive (oxygen, nutrients, and removal of waste) is necessary for the well-being of both individual cells and the entire body. Homeostasis refers to stability, balance, or equilibrium within a […]

What kingdoms are included in the domain eukarya? Members of the domain Eukarya—called eukaryotes—have membrane-bound organelles (including a nucleus containing genetic material) and are represented by five kingdoms: Plantae, Protista, Animalia, Chromista, and Fungi. Who was the most powerful king in history? Here are history’s greatest rulers: Caesar. Alexander the Great. Joseph II. Genghis Khan. […]

How do scientists test new drugs? A typical test involves giving a known amount of the substance to the animals, then monitoring them carefully for any side-effects. Drugs that have passed animal tests are used in human clinical trials. They are tested on healthy volunteers to check that they are safe. How do scientists determine […]