The answer is: Gravity
Attraction to the earth, if there was none we would be floating
Answer: B Sputnik
Explanation: I hope this helps you
Answer:
the first stop is used to fill the micropipette tip and the second stop is used to dispense the content of the tip
The greeks believed the Earth was stationary at the center of the universe while objects in the sky revolved around it. The Greek astronomers employed the term Asteres planetai meaning “wondering stars” for star like objects. By the 19th century the word planet thought it hadn’t been defined was the working term applied