If the mass of a particle is zero its speed must be:
" A. c B. infinite C. 0 D. any speed less thanc E. any speed greater thanc"
"f the kinetic energy of a particle is equal to its rest energy then its speed must be: "
"A. 0.25c B. 0.50c C. 0.87c D. c E. unknown unless its mass is given"
Lions are getting extinct because they are hunted, poisoned and isolated. Source: [http://us.docsity.com/en-video/Trophic_Dynamics_-_Wildlife_Ecol...
Green world hypothesis deals with the query that if herbivores are eating out the plants then why the plants are still there in the world. Source: [ht...
It is the competition which is free for all and shared resources depleted over time. Source: [http://us.docsity.com/en-video/Competition_-_Wildlife...