Astronomers believe that there is a large cloud of frozen comets called the Oort cloud, which surrounds our solar system. It lies approximately 50,000 times farther from the Sun than Earth. Approximately how many squares of toilet paper would you need to put the Oort cloud on your model? Explain how you arrived at your answer. From Edmentum Earth & Space science

Which of the following is a consequence of urban heat islands? increased precipitation downwind of the city? increased precipitation upwind of the city? decreased winds within the city? increased winds within the city?

Glucose is broken down in different ways, both in the presence and in the absence of oxygen. using the table for reference, what major products are formed in each reaction set?

(select all the correct choose each statement that is scientific. - the opinions of randomly selected participants in a survey prove the idea that global temperatures are not increasing on earth. - the universe's average temperature and rate of expansion support the idea that it began as one super-dense and hot mass 13.8 billion years ago. - ocean tides are caused by the uneven gravitational pulls of the moon and sun on different parts of earth. - human life is more valuable than other forms of life on earth because humans are more intelligent than other organisms.