The astronaut would go the opposite direction due to Newton’s third law of -10N, -10N, -9N, -9N
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The correct answer is Option (C) distance and time
Explanation:
Average speed of any object is defined as the total distance that object travels over the time it takes to travel that distance. In other words, average speed is the total distance divided by the elapsed time.

Therefore, as you can see in the above equation, the two measurements that are essential for the calculation of the average speed are the (total) distance and the (elapsed) time.
Hence, the correct option is C.
Answer:
The word Allopatric is derived from the Greek words allos = other and Patris = fatherland. Allopatric specification happens when the biological population of the same specie got separated from one another such that it stopped their gene flow or gene migration. It happens due to the geographical changes such as the movement of continents, changes in glaciers, mountains or oceans and it could be happened because of human activities like agriculture and industrial development etc. The first step of Allopatric specification is Geographical isolation. The species got separated and the long distances makes them unable to interbreed.
<span>Falcon 9</span><span>Pegasus</span><span>Proton</span><span><span>Satellite </span><span>Launch </span>Vehicle</span><span>Antares</span><span>Zenit</span><span>Atlas V</span><span>Soyuz</span><span>Ariane 5</span><span>Delta IV</span><span><span>Polar Satellite </span><span>Launch </span>Vehicle</span><span><span>Geosynchronous </span><span>Satellite </span>Launch Vehicle</span><span>Vega</span><span>Rokot</span><span>Angara</span><span>Soyuz-2</span><span>Shavit</span><span>H-IIB</span><span>Dnepr</span><span>Safir</span><span>Falcon 1</span><span><span>Long March </span>4B</span><span><span>Long March </span>2D</span><span>Delta II</span><span>H-II</span><span><span>Long March </span>3C</span><span>Soyuz-U</span><span><span>Long March </span>4C</span><span>Black Arrow</span><span><span>Long March </span>3A</span><span>Naro-1</span><span>Zenit-3SL</span><span>Sputnik</span><span><span>Long March </span>2F</span><span>VLS-1</span><span>Vulcan</span><span><span>Long March </span>2C</span><span>Athena</span><span><span>Long March </span>3B</span><span>Juno I</span><span>N1</span><span>Ariane 6</span><span>Kuaizhou</span><span>Zenit-2</span><span>Simorgh</span><span><span>Long March </span>11</span><span>Strela</span><span>Minotaur-C</span><span>Ariane 1</span><span><span>Augmented </span><span>Satellite </span>Launch Vehicle</span><span>Europa<span>
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