Find the odd one and write the features of others 1. Ribosome, Lysosome, Mitochondrion, Golgi complex

2. Nose, Trachea, Lungs, Heart

3. Find the correct pair from the following a. Robert Hooke - Discovered the centre of the cell b. M. J Schleiden-Found animal body is made up of cells c. Rudolf Virchow -New cells arise only from existing cells

4. Large vacuole is present incell​

the earth is thought to have been formed about 4.6 billion years ago by collisions from a cloud of hydrogen, helium, rock, ice and other materials. these were pulled together by gravity to form objects in and around earth like- asteroids and small early planets called planetesimals.

so, the best possible answer to this question will be option d- to harden materials to form different parts of earth’s layers