52.85 - 9.09
1. Round '52.85' to the nearest one
52.85 ⇒ 52.9
2. Round '9.09' to the nearest one
9.09 ⇒ 9.1
3. Subtract
52.9 - 9.1 = 43.8
Answer:
Radio-wave communications signals travel through the air in a straight line, reflect off of clouds or layers of the ionosphere, or are relayed by satellites in space. They are used in standard broadcast radio and television, shortwave radio, navigation and air-traffic control, cellular telephony, and even remote-controlled toys.
Explanation:
They invented the roman army and the canon in 1683
Answer:
The civil rights movement was a struggle for social justice that took place mainly during the 1950s and 1960s for Black Americans to gain equal rights under the law in the United States. The Civil War had officially abolished slavery, but it didn’t end discrimination against Black people—they continued to endure the devastating effects of racism, especially in the South. By the mid-20th century, Black Americans had had more than enough of prejudice and violence against them. They, along with many white Americans, mobilized and began an unprecedented fight for equality that spanned two decades.
Explanation:
There u go
The correct answer is letter A
Globalization is a term developed in the 1980s to describe the process of intensifying international economic and political integration, marked by advances in transport and communication systems. Because it is characterized by a worldwide phenomenon, many authors prefer to use the term globalization.
It must be remembered, however, that despite being a recently developed concept, its occurrence is old. Most social scientists date back to the late 15th and early 16th centuries, when Europeans began the process of colonial maritime expansion. With that, it is possible to realize that globalization is not a sudden and consolidated fact, but a process of gradual integration that is constantly expanding.