Which is the main causative factor of desertification

The organisms found in boiling thermal springs are

Biotic factors are

In most animals, the metabolic reactions proceed in a ...$A$... temperature range (in humans, it is $37^{\circ} C$ ). But there are microbes (archaebacteria) that flourish in hot springs and deep sea hydrothermal vents where temperature far exceed ...$B$...

Choose the correct option for $A$ and $B$

Choose correct pair :

$(1)$ Salt concentration in inland water - $30-35\%$

$(2)$ Salt concentration in the sea - $5\%$

$(3)$ Salt concentration in hypersalinelagoon - $>100\%$

Give one example for each of the following :

$(i)$ Eurythermal plant species $ .................$  .

$(ii) $ A hot water spring organism $ .................$  .

$(iii)$ An organism seen in deep ocean trenches $ ................$.

$(iv)$ An organism seen in compost pit $ ...............$  .

$(v)$ A parasitic angiosperm $ .................$  .

$(vi)$ A stenothermal plant species $ .................$  .

$(vii)$ Soil organism $ .................$  .

$(viii)$ A benthic animal $ .................$  .

$(ix)$ Antifreeze compound seen in antarctic fish $ .................$  .

$(x)$ An organism which can conform $ .................$  .