Answer:
Methane
Explanation:
Because carbon dioxide is wrong and i just got a 70 percent cause someone thought it was carbon dioxide but it's definitely not
Answer:
v=115 m/s
or
v=414 km/h
Explanation:
Given data

To find
Terminal velocity (in meters per second and kilometers per hour)
Solution
At terminal speed the weight equal the drag force

For speed in km/h(kilometers per hour)
To convert m/s to km/h you need to multiply the speed value by 3.6
Answer:
A.without a long antenna, 're signal will not travel far