Lightning is a sudden
shock, very fast and the electric force between the cloud and ground, or from
cloud to cloud. the speed of lightning, or thunder, can be several miles long.
It is so hot, with average temperatures of 34,000 ° Celsius, that the
surrounding air suddenly expands with a loud explosion, and sounds. This is
what we hear thunder. Lightning occurs in hot, basah.saat rain storms, humid
air is driven up to a great height. This is a type of cloud called
cumulonimbus. When the cloud rises high enough, the moisture freezes and ice
crystals formed and snowfl akes. It began to fall, turning to rain on the way
down. This meet is more humid rainy How air, and it is the friction between
those who generate static electricity. When the cloud is fully charged with
electricity, it will be discarded as a flash of lightning. so lightning
suddenly appear with the rain and the sounds are very loud and luminous.
The apple is the
pomaceous fruit of the ampple tree, it is one of the most widely cultivated
tree fruits, the ree is small , 3 to 12 meter tail. The flowers are white they
have five petals with 2,5 to 3,5 centimeters in diameter, the fruit is 5 to 9
centimeter in diameter, the apple tree comes from central asia, there are more
than 7.500 known cultivars of apples. Research shows that apples may
reduce the risk of colon cancer prostate cancer and lung cancer , apples
contain relatively low amounts of vitamin c as well as several other
antioxidant compounds the fiber content in apples may reuce the risk of colon
cancer , they may also help coping with heeart disease, weight loss, and
controlling cholestrol, they are rich with caloric content like most fruits and
vegetables.
Birds are interesting flying animals. They are vertebrates and warm
blooded animals. They include aves class and they can be found all over the
world, in Indonesia also. birds breathe their air bags. In addition to the
organs of respiration, air bags can also enlarge or reduce their weight when
flying or swimming. There are many types of birds. Earth bird has special
characteristics. they have different morphologies according to their food and
their habitat. some of them eat seeds, pollen, fish or meat. There are several
species that live in the soil and the other lives in the water. Land birds live
in their nests. Female birds have specific tasks. they lay their eggs and
feeding their babies, moreover they forage for their baby. made his usual bird
ornaments and pet animals, and also there is also a cooked or baked, including
squab.
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