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.
Answer:
C. It transports heat from the North Atlantic to the Indian Ocean.
Explanation:
The Antarctic Circumpolar Current is a massive oceanic current that circles around the Antarctic continent, that plays many roles.
One of the roles it plays is to connect all three major oceans (Atlantic, Pacific and Indian) together, and acts as a transportation system between them transferring heat, salt and other elements.
That role is vital in the global ocean thermo-regulation system of the planet.
Answer:
Explanation:
thickness of aerosol layer is 2.5 km
zenith angle is 40 degree
we know that
where
is extinction coefficient
extiction cross section
N = Concentration
transimiitance 
