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The atomic number of the isotope 238U of uranium is 92. The nucleus of this isotope contains a) 184 protons, 92 electrons, and 54 neutrons. b) 92 protons and 146 neutrons. c) 92 protons, 54 neutrons, and 92 electrons. d) 146 protons and 92 neutrons.
Q. What is the ecological role of earthworms? Earthworms have an important ecological role as they eat decomposing organic material. They also dig tunnels in the subsoil allowi
Explain the Precautions for Detection of Number of Bacteria in Milk? 1. Make a thin film of milk on the slide. 2. Do not over stain with methylene blue. If over staining ha
Biochemical Changes Associated with Senescence When senescence begins many physiological and biochemical changes take place. For example, one of the important changes observed
Is a viral infection treated with the same kind of drug that treats bacterial infections? Antibacterial drugs, potent against a great variety of bacteria, are not effective aga
Bacterial food poisoning Food poisoning is an acute gastro-enteritis or intestinal disorder resulting from the ingestion of foods contaminated with either living microorganism
Which are plant tissues responsible for the supporting of the plant? The plant supporting tissues are the sclerenchyma and the collenchyma. The collenchyma is made of elonga
What are the phytoplankton and the zooplankton? The Phytoplankton and the zooplankton are divisions of the plankton. The phytoplankton includes the autotrophic floating beings:
1. Hazard Is An Extreme Event Whereas Disaster Is Its Consequence. 2. A hazard can occur without human interference but it may become a disaster on account of careless
Define the Factors that Affect the Rate of Drying? Factors that affect the rate of drying are as follow: 1) The fat content of the food-Higher fat contents generally result
1 list the names of the phyla of animalike protists that have only free-living members
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