Explanation

Answer:

B

In the Islamic tradition, the Year of Sorrow (Arabic: عام الحزن, romanized: 'Ām al-Ḥuzn, also translated Year of Sadness) is the Hijri year in which Muhammad's wife Khadijah and his uncle and protector Abu Talib died. The year approximately coincided with 619 CE or the tenth year after Muhammad's first revelation.

Explanation

Answer:

It looks dark to astronauts. On the earth, the blue sky can be seen due to the existence of the atmosphere. The atmosphere blocks the rays of the sun and you can see the color of the sky. In the universe, because there is no atmosphere, the rays reach the astronomer's eyes without refraction and appear dark.

Explanation

Answer:

D

The International Telecommunication Union is a specialized agency of the United Nations responsible for all matters related to information and communication technologies. The international communication union became a specialized agency of the United Nations in17 May 1865

Explanation

Anaemia is a condition in which the number of red blood cells capacity is not sufficient.

Iron Deficiency is the most common cause of Anaemia. 

Explanation

The center was initiated in 1960 by a Lower Manhattan Association created and chaired by David Rockefeller, who had the original idea of building the Center

Location: New York City, ‎New York‎, ‎USA‎

Explanation

IMPUGN اعتراض کرنا . بحث کرنا

Assail حملہ کرنا دھاوا بولنا

Explanation

Answer:

B

According to Archimedes' principle, when an object is completely or partially submerged in water, the water moves according to its volume. The body swims in the water when its weight is lighter than the weight of the same amount of water. If its weight is equal to the weight of the same amount of water, it remains floating.

Explanation

Answer: B

t rises in the Black Forest mountains of western Germany and flows for some 1,770 miles (2,850 km) to its mouth on the Black Sea. Along its course, it passes through 10 countries: Germany, Austria, Slovakia, Hungary, Croatia, Serbia, Bulgaria, Romania, Moldova, and Ukraine.

Explanation

Answer::

D

A single gene mutation results in resistance to DDT and pyrethroids, a class of pesticides used in bed nets. According to a new study in the journal Geno Mosquitoes (Anopheles funestus), Geno Mosquitoes (Anopheles funestus) is a malaria vector, and most strategies for controlling disease epidemics focus on controlling mosquito populations with pesticides. I'm guessing. The spread of resistance genes can delay efforts to prevent  disease. 

Explanation

Babylon is the most famous city in ancient Mesopotamia, and its ruins are located in what is now Iraq, 94 kilometers southwest of Baghdad. The name is said to be derived from Babil or Babylon, which means "Gate of God" or "Gate of God" in  Akkadian at that time, and "Babylon" is derived from Greek.