Volcanologists are using powerful supercomputers to forecast volcanic eruptions. See why scientists say this new technique could be a game-changer.
Check for fire.If you smell gas, shut off the main gas valve(阀).If there’s sign of damage to electrical wiring, shut off the power at the control box.If the phone is working, only use it in case of emergency.Avoid driving if possible to keep the streets clear for emergency vehicle...
To prepare for a visit, check out the library's Web site first. Many libraries have computerized their card catalogs and put them online. This means people are able to search them from home, with their files handy, and map out a plan without having to tote their files all over the plac...
Prepare in advance: Don’t forget your flashlight, warm attire, rain gear, and sturdy shoes. Keep an eye on the weather as rain and fog can obstruct the eruption view. Stay safe! Stay out of closed areas – rope lines and hazard signs are in place to safeguard you from dangerous volca...
aHe helps students prepare their resumes. 他帮助学生准备他们的履历。[translate] a欢迎来参加 Welcome to participate[translate] a体制改革试点单位 Organizational reform experiment site unit[translate] a我已经都忘记了 I have already all forgotten[translate] ...
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quicker. You have now calculated the concentration of the chemical of interest in three of your diluted unknowns. The original solution was diluted to prepare these unknowns, however, so you now need to work backwards and calculate the concentration of the original solution based on the dilution...
1. What does “The Big One” refer to? A.A gigantic geological fault in America. B.A large-scale drill to prepare for disasters. C.A massive and destructive natural disaster. D.Mass destruction caused by the earthquake. 2. What is the purpose of the Cascadia Rising drill?
tropics,” said Coats, whose expertise covers climate variability over the last 2,000 years. “Understanding how the Pacific Walker Circulation is affected by climate change will enable communities across the Pacific and beyond to better prepare for the challenges they may face in the coming ...
B.To explore a new island in Hawaii. C.To monitor signs of volcanic activity. D.To prepare for a space mission to Mars.2. What do we know about Mauna Loa? A.It has warm climate and various plants. B.It is 2,500 meters from its base in the sea. C.It is the second largest mo...