Which of the following items would have the lowest density? a. a 6 cm3 block of ice with a mass of 4 grams b. a 12 cm3 block of aluminum with a mass of 2 grams c. a 2 cm3 block of lead with a mass of 11 grams d. a 12 cm3 block of wood with a mass of 3 grams

The subject option isn't available. the topic is earth science!suppose you are a city engineer whose job it is to explore how to use more renewable energy in your locality. 1. consider the resources in your city and select one of the following: - hydropower -solar power -wind power -geothermal power 2. prepare a pamphlet or multimedia presentation to convince a committee of citizens and local leaders that the renewable energy source you have selected is best for you locality. in your pamphlet or presentation include: - a discussion of the renewable energy source that is best for your town and why -a discussion of the advantages and disadvantages of this energy source -a discussion of why you think your city should use more of this energy source -how the use of renewable energy will impact your city -pictures and/or charts and tables to strengthen your arguments