I think the correct answer from the choices listed above is option B. It is annotating that is the key technique in the process of close reading. It means underlining or highlighting keywords and phrases that would seem relevant to what is your purpose. Hope this answers the question.
Its like living in a crowded room wouldn't you prefer for a better accommodation such as another room instead of living with thousands like i.e the molecules
One way by which wetland controls flood is by absorbing water from rivers. Wetland absorbs water and and store it. Afterwards it releases slowly.It behaves like a sponge. It also protects nearby houses flooding and vegetation too.It reduces the water flow and settles down the sediments and pollutants also.
<u>The best estimated pressure is 110 GPa</u>. Pressures in the lower mantle begin at 24 GPa and reach up to 136 GPa at the border between core and mantle. For the most part it is composed of a single mineral called perovskite. Recent experiments show that this mineral with iron content is very unstable in the lower mantle.