Explain how each of these machines work.

Explain how each of the following factors affects the formation of a solution - (B) Particle size of the solute

Explain how each of the following factors affects the formation of a solution - ( c) Temperature of the solvent

Explain how each of the following factors affects the formation of a solution - (A) Proportion of the solute & the solvent

A manufacturer makes two types of toys A and B. Three machines are needed for this purpose and the tune (in minutes) required for each toy on the machines is given below: Each machine is available for a maximum of 6 hours per day. If the profit

Explain how the human ear works.

If , a machine gun fires n bullets per second each with kinetic energy K, then the power of the machine gun is

Explain the working of the inner ear.

Describe the association known as mycorrhizae, and explain how each partner benefits.

A manufacturer produces two products A and B. Both the products are processed on two different machines. The available capacity of first machine is 12 hours and that of second machine is 9 hours per day. Each unit of product A requires 3 hours on both machines and each unit of product B requires 2 hours on first machine and 1 hour on second machine. Each unit of product A is sold at Rs. 7 profit and that of B at a profit of Rs. 4. Find the production level per day for maximum profit graphically.

(a) Taking one example each of habitat loss and fragmentation, explain how are the two responsible for biodiversity loss. (b) Explain two different ways of biodiversity conservation.