Question

please answer the questions given in the above attachment


please answer Q7,Q8 And Q9​

Answer 1

Answer:

A paragraph is a group of words put together to form a group that is usually longer than a sentence. Paragraphs are often made up of several sentences. There are usually between three and eight sentences. ... This topic sentence of the paragraph tells the reader what the paragraph will be about.

Answer 2

Experimental techniques have been developed which directly probe the excess volume and have been used to explore the properties of nanocrystalline copper and nickel.[8][9] Theoretical methods have also been developed [10] and are in good agreement.