Which of these equal volumes expands more when the temperature is increased?
A. iron.
B. wood.
C. ice water.
D. helium.
Answer: D
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A tsunami watch means that tsunami is imminent and citizens should watch for its arrival
Indicate whether the statement is true or false
Judge the following sentence according to the criteria given below: Compared to the high tide zone, more types of marine algae and soft-bodied animals can live in the middle tide zone BECAUSE seawater constantly bathes the middle tide zone
A) The assertion and the reason are both correct, and the reason is valid. B) The assertion and the reason are both correct, but the reason is invalid. C) The assertion is correct, but the reason is incorrect. D) The assertion is incorrect, but the reason is correct. E) Both the assertion and the reason are incorrect.
Climatic models predict that the concentration of a certain gas must increase in the atmosphere for CO2 to produce a global warming of between 2°C and 5°C. According to this prediction, which of the following gases must increase?
A. chlorofluorocarbons (CFCs) B. water vapour (H2O) C. sulfur dioxide (SO2) D. ozone (O3)
Both the presence of banded iron formations and red beds are evidence that the atmosphere and
hydrosphere changed from oxidizing to reducing in the Proterozoic Indicate whether the statement is true or false.