who the hell caused the shot heard around the world (If you know this your god) BRAINLIEST AND POINTS IF RIGHT

You want free points & free brainliest? answer this question correctly and you shall receive! in which of the following places is it legal to park? a. in front of driveways b. by curbs with no markings c. by yellow painted curbs d. next to a fire hydrant

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

Why is it essential to operationally define the variables in a study?