Answer:
The strong nuclear force holds most ordinary matter together because it confines quarks into hadron particles such as the proton and neutron. Cosmology is a branch of astronomy that involves the origin and evolution of the universe, from the Big Bang to today and on into the future.
Explanation:
The strong nuclear force is responsible that protons in the nucleus of the atoms do not repeal each other.
By using pythogorus theorum
(ab)2=(bc)2 +(ac)2
(14)2=(6)2+(ac)2
196=36+(ac)2
196-36=(ac)2
160=(ac)2
under root of 160=ac
12.6 Approx.
[2=square]
Answer: B
Explanation: Titan is one of the many satellites orbiting planet Saturn. This satellite is very interesting as it shows a lot of similarities with the earth. Titan is the largest satellite of Saturn. It is the second largest moon next to Ganymede. Titan's landscape is similar to earth's and show dry rivers and hydrocarbon lakes
To promote the growth of vegetation, Aborigines from Australia created grass fires to encourage new growth in vegetation and to allow the wild animals to eat the new plants resulting from the grass fire. They also used grass fires in order to roast some seeds that germinate only when burned. In return, these seeds provide them food.
Answer:
about 1,200 miles
Explanation:
Red Sea, Arabic Al-Baḥr Al-Aḥmar, narrow strip of water extending southeastward from Suez, Egypt, for about 1,200 miles (1,930 km) to the Bab el-Mandeb Strait, which connects with the Gulf of Aden and thence with the Arabian Sea.
