c. Strombolian
b. Hawaiian
d. Vesuvian
a. L
b. kg
c. cm
d. mL
The correct answer is B. Kg
Explanation:
A base unit or basic unit refers to a unit used internationally to measure certain variables or physical properties such as temperature, distance, mass, time, etc. These units are useful for studying phenomena as well as guaranteeing units around the world follow a standard. In the case of mass which refers to the matter in an object or body, the basic unit used all around the world is the Kilogram represented as Kg which is believed to be equivalent to the mass in a litter of water and to 1000 grames (g). Thus, the basic unit of mass is the Kg.
Answer:
In 1897, Theodore Roosevelt was appointed by President William McKinley, as Assistant Secretary of the Navy.
Explanation:
Theodore Roosevelt, who later also became President of the United States, was known for his intense desire and his belief, in the need for his country to prepare itself for possible future wars, especially with Spain, given the growing interests, and the increasingly influential role, that the United States was playing in the world arena. Serving only for a year as Assistant Secretary, Roosevelt proved vital for the renewal and empowerment of the Navy and its forces, especially technology-wise, and he believed strongly that the United States needed to become involved in a war to prove its prowess, its power and solidify its position in the world. He also became involved with great strategists which proved vital when the Spanish-American War erupted. Theodore Roosevelt himself became a hero of this war.