Answer
The Rocket Technology
Explanation
Konstantin Tsiolkovsky was the Father of Modern Astronautics who in 1898 first proposed the idea of space exploration by rocket. In his first report he suggested the use of liquid propellants for rockets in order to attain a higher range. Early in the 20th century, Robert H. Goddard an American published a pamphlet attaining higher altitudes in rockets with a mathematical model called the meteorological sounding rocket.
Sputnik I was the world's first ever artificial satellite that launched by the Soviet Union in 1957. This marked the start of the "space age" which pushed the race between the US and the USSR in the field. Because of this "competition", many scientific discoveries were made to study and even travel to outer space.
Answer: Renewable resources are replenished naturally and over relatively short periods of time.
Explanation: To be called a renewable resource it has to be able to be <u>renewed.</u> Some examples would include oxygen, fresh water, solar energy and biomass.
Answer:
I think it is C, what happens to us after we die.
Answer:
Pollution increased, and people were made to work long and hard hours in factories.
Explanation:
Upon the industrial revolution making its wake, it was a mostly good change. Though, the pollution that began and the unbearable hours people had to work were a few bad things caused by the revolution.
