Grass obtains 10% of the energy of the sun. when a mouse eats the grass, it gets only of the sun's energy while is lost as heat. 0.1%; 0.9% 1%; 0.9% 0.01%; 0.009%

Grass obtains 10% of the energy of the Sun. When a mouse eats the grass, it gets only 1% of the Sun's energy while 9% is lost as heat. It has already been known that only 10% of energy gets transferred from one link of the food chain to another. The answer to this question can be easily deduced from this fact. 

Your answer is 1.5 hope i  

The magnets are probably damaged or there not strong enough to attached to the refrigerator