calculate the expenses in a house for 30 days if there are 40 tubes of 50W each,3 fans of 100W each and a water pump of 1 horse power.If tubes and fans are on for 10h/day while the water pump is on for 1h/day.If the cot is rs.4 per unit

What type of questions asked from the lesson of magnetic effect of electric current 

Wavelength of green light is

A) 400-450 nm

B) 500-550 nm

C) 660-720 nm

D) 720-800 nm

What is the difference between anaerobic & aerobic respiration? Name some organism that uses the aerobic mode of respiration?

What are the main components of our environment? Explain each of them briefly.

What are examples of hydrotropism plants?