plants in a food chain are actually the
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Answer / sambit kumar
A) transitory organism B) producers C) transducers D) key
industry organisms
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Explain the Aesthetic and Moral values of Science
0 Answers Mahatma Gandhi University,
Carbon tetrachloride fire extinguisher should not be used in closed rooms, because it produces a poisonous gas called 1 Carbon monoxide 2 Phosphine 3 Phosgene 4 None of these
The age of most ancient geological formations is estimated by 1 Potassium-argon method 2 Ra-Si method 3 C14method 4 Uranium-lead method
Nuclear fission is caused by the impact of 1 Proton 2 Electron 3 Neutron 4 None of these
4 Answers Jharkhand Staff Selection Commission JSSC,
Which comet collided with jupiter?
Who suggested that most of the mass of the atom is located in the nucleus? 1 Thompson 2 Bohr 3 Rutherford 4 None of these
Which of the following shows the masses of three elementary particles in decreasing order? 1 Mesons, Baryons, Leptons 2 Leptons, Baryons, Mesons 3 Baryons, Mesons, Leptons 4 Leptons, Mesons, Baryons
why our head's weight not feel our body?
what are advantages & disadvantages of science?
Which type of fire extinguisher is used for petroleum fire? 1 Foam type 2 Soda acid type 3 Powder type 4 None of these
Long distance photography is facilitated by 1 Visible light 2 X-rays 3 Infrared rays 4 Ultraviolet rays
Which of the following acids is used for ‘etching glass’? 1 HBrO3 2 H2F2 3 HCIO4 4 HIO4