gases produced during operation of air conditioners and refrigerators into the atmosphere.
Task 5. The alcohol
Aidana got home from work. Entering the house, she rushed into the room, because she felt a sharp smell of alcohol. Upon entering the room she saw a bottle lying and cat. In the bottle was still 20 g content (this is half of what it was), and the cat lying on the floor, like a big white bun, legs spread wide, and continuing to lick the floor.
Question. How many grams of alcohol a cat licked off the floor, if its share in cologne - 96% (evaporation neglected)?
A.19,2 g 100% alcohol. B.29,6 g 100% alcohol. C.16,4 g 100% alcohol. D.12,2100%alcohol.
Task 6.
Light travels a distance of about 8 minutes from the Sun to the Earth. You watch the sunrise at exactly 5:00. At what time you would have seen the same rise, if the light propagated instantaneously?
In the 4 hours 52 minutes.
At 5 o'clock sharp.
5 hours minutes.
Task 7
We note that in recent years, the weather began to change significantly: the prolonged winter, late spring, cool summer.
What problems could cause global cooling?
Task 8
Match the traveler's name, and they made the discovery.
