Answer:
Southern Africa
Explanation:
East and Southern Africa is the region most affected by HIV in the world and is home to the largest number of people living with HIV.
D) Mars & Jupiter is correct
Answer:
The Euphrates river
Explanation:
Along with the Tigris, the Euphrates river helped form the Fertile Crescent and the Sumerian civilization.
It starts where the Karasu and Murat rivers merge in eastern Turkey and continues southeasterly for 2800 km (1740 mi) through Syria and Iraq until it merges with the Tigris river at Al-Qurnah. There, it becomes the Shatt al-Arab waterway and empties into the Persian Gulf.
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
