Page 103 - 3 Adım Deneme Sınavları YDT İngilizce

YDT • İngilizce 1. ADIM • 4. DENEME

60. The first step to understanding why the sea is salty
59. - 63. sorularda, boş bırakılan yere, parçada anlam
bütünlüğünü sağlamak için getirilebilecek cümleyi is to know how water moves through the ocean’s
bulunuz. different physical states. The three different forms
of it are ice, liquid, and vapour, respectively. ----
59. ---- It has been named ‘black widow’ because
Because of this, the basins of our oceans are
most of its mass comes from another star that it
filled with a tangled mixture of different mineral
orbits. It has 2.35 times as much mass as our sun.
salts. On the other hand, water and salt are not
Scientists think that the star is close to having
compatible in other phases of water, such as
the most mass possible for something like it. If it
vapour and ice; hence, water vapour and ice are
were any bigger, it would just fall apart into a huge
virtually salt-free.
black hole.
A) We are able to monitor changes in the water cycle
A) A neutron star is the dense collapsed centre of a
immediately if we keep track of the salinity of the
massive star that has exploded in a supernova.
ocean’s surface.
B) The name ‘pulsar’ refers to the kind of neutron
B) Since 86 per cent of global evaporation occurs
star that has a very strong magnetic field.
over the ocean, oceans’ surface salinity explains
C) The denser the material is at the centre of a how freshwater inflow and outflow impact ocean
neutron star, the heavier it is overall. dynamics.
D) The star is thought to have begun as a neutron C) Ocean currents are the continuous, directed flow
star with a typical mass of about 1.4 times that of of seawater caused by gravity, wind, and water
our sun. density.
E) Space scientists have discovered what they D) When water is in liquid state, it can dissolve rocks
believe to be the most massive known example and sediments and react with emissions from
of a neutron star. hydrothermal vents and volcanoes.
E) There is a continuous cycle of freezing and
melting sea ice, as well as evaporation and
precipitation across the seas.

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