Question 1 of 10 What is a major drawback of using fossil fuels?
A. They release carbon dioxide.
B. They destroy greenhouse gases.
O c. They generate electricity.
O D. They cool the planet.

According to the law of conservation of energy, energy can neither be created nor destroyed. if this is true, why is there less energy in the top of the energy pyramid than there is in the bottom of the energy pyramid?

9. wind power creates pollution. water air soil noise

The picture showed normal blood cells which are around and sickle cells which appear much longer people with sickle-cell suffer from the sickle cell anemia which is inherited diseaseit is caused by a change in gene responsible for production of hemo goblin this type of change is known as an