Most answers I've seen say Guglielmo Marconi...
Answer:
Salinity is the measure of the number of grams of salts per kilogram of seawater, which is expressed in parts per thousand. Parts per thousand can be defined as how many parts, or grams, of salt there are per thousand parts, or kilogram (1,000 g), of seawater. The symbol for parts per thousand is ‰. The symbol for parts per thousand (‰) is similar to the symbol for percent (%), which is parts per hundred, but with an extra zero in the denominator. Parts per thousand is commonly abbreviated as ppt.
B because “Middle classes consisted of a variety of groups
Below upper middle class, which formed part of the new elite, was middle group that included lawyers, doctors, members of civil service, business managers, engineers, architects, accountants, & chemists
Beneath this solid & comfortable middle group was a lower middle class of small shopkeepers, traders, & prosperous peasants; the members of this group provided goods & services for the classes above them”
Answer:
the answer to 1 is The Battle of Brandywine was a British victory
2 is D. Samuel Adams