Carbon monoxide forms in forest fires
Indicate whether the statement is true or false
True
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Reducing energy waste is a commendable activity, but would not impact our energy supplies in any meaningful way
Indicate whether the statement is true or false
As Apollo 12 ascended into the atmosphere, the height of the surrounding clouds was 12,800 m. Which of the following types of clouds was indicated by a lightning stroke within the surrounding clouds?
A. cumulonimbus B. cumulus congestus C. cirrus D. cirrocumulus
In the television series "Cosmos" the astronomer Carl Sagan used to say, "We are all made of star stuff." What did he mean by that?
A) All of the chemical elements were formed during the big bang when the universe began, so we are like the stars. B) All of the chemical elements in our solar system were forged in an ancient star that went supernova. C) The earth has incorporated large amounts of chemical material from the solar wind, so our bodies carry this material. D) We all have to potential to be stars.
Why do marine mammals look and behave similar to fish?
a) they both evolved from the same aquatic ancestor b) they both have adapted for moving efficiently in water c) Marine mammals learn from fish how to behave in the water d) Both fish and marine mammals are top predators e) Both fish and marine mammals are warm-blooded