Answer: 1) Angular separation equals 0.0000031 degrees
2) Angular separation in arc -seconds equals 0.011156"
Explanation:
For 2 stars separated by a distance 'S' and at a distance 'D' from the earth the angular separation in radians is given
Applying values we get
Now we know that 'π' radians equals 180 degrees thus the above value in degrees shall be equal to
2)
The angular separation in arc- seconds is given by
It's true, Venezuela is the biggest supplier of oil to the U.S, also other countries like Saudi Arabia, Canada, Nigeria and Mexico.
Desertification <span>is the persistent degradation of dryland ecosystems by variations in climate and human activities.</span>
Answer: B. Neither rising nor falling
Explanation:
Economic Stagnation occurs when there's a flat growth in a particular economy. During economic stagnation, there's increased unemployment and the economy is also not performing well and performing below its potential.
A country's economy is stagnating when the GDP is neither rising nor falling. This results in the lay off of employees by companies which in turn leads to reduction in demand for goods and services and hence economic growth is negatively affected.
Answer
1.Canada has more natural lakes than the rest of the world combined. There are 31,752 major lakes in Canada.
2. Sudan - the nation of Sudan has 220 extant pyramids
3. there are only two active volcanoes in Antarctica – Mount Erebus (due south of New Zealand) and Deception Island (south east of Cape Horn, South America).