So next time when some people ask you, "Where did you come from?", you could say, "A lightning strike!"(1)According to the passage, about 4 billion years ago, most of Earth's phosphorus came from .A.teethB.rocksC.DNA and RNAD.water(2)The underlined word dissolve in Paragraph 3 ...
Lightning is pulling toward tall poles and trees. Stay down in an open space and cover your ears to protect th em. Loud thunder can damage your hearing. ◆Lightning Strikes Lightning does not strike people very often. It is not likely that you will ever see that happen. If you do, ...
Maybe it began with a lightning strike(道闪电).According to a new study by Yale University, lightning strikes during Earth's early history helped make phosphorus(磷). It is important for life, Phosphorus not only helps make DN A and RNA, but also gives energy(能量)to cells(细胞). You ...
Lightning does not strike people very often. It is not likely that you will ever see that happen. If you do, call 120. Only trained emergency workers should care for a person who has been hit by lightning. If you follow these rules, you will stay safe during a storm. ...
Lightning does not strike people very often,5. If you do, call 120. Only trained medical workers should care for a person who has been hit by lightning. If you follow these rules, you can stay safe during a storm. A.A room with no windows is the safest place to be. ...
Spread out - if you are in a group of people, don't all stand together in a huddle Crouch down - if you feel a tingling and your hair stands on end, lightning may be about to strike! Immediately crouch down. Do not lie down. Do not place your hands on the ground. ...
For many, they strike the perfect balance between cost and performance, and they tend to be more efficient on environments where power fluctuations happen frequently. The Double-conversion UPS The double-conversion UPS offers the highest level of power protection. It does this by completely ...
With a few late summer storms rolling around last month, a Queensland member asked "How much energy does a lightning strike carry?" We put the question to Ben Domensino from Weatherzone.Lightning is a common and powerful force in nature. Globally, around 40 lightning strikes occur every ...
Effects of a lightning strike Lightning kills people about10% of the time, but those who survive to develop long-term impairments in approximately 30% of cases. There can come a wide range of long-term effects including memory loss, difficulty thinking or concentrating, dizziness, headaches, irr...
Why does lightning strike? A lightning bolt is a discharge of electricity in the atmosphere. The strike equalizes the positive and negative charges in the air. It usually happens within clouds, but it can occur between the clouds and the ground. ...