Questions

The error lies in the first part of the sentence. After superlative adjectives, majorly two prepositions are used: of and in. We use in with a singular word referring to a place or group. Eg: I am the happiest woman in the world. We use of before plurals, before time periods such as year/month. Eg: Sunday is the best day of the week. Here, in this case, the subject is the 'school', thus, it should be 'in the school'.

The buying and selling of goods is called Trade. Trade is a part of business where goods and services are exchanged for mney and mainly to earn profit. Commerce is used to describe trade and all the other business activities and services which make trade possible like banking, insurance, transport and advertising.

Sparse matrix,

Index generation

The function of a protein macromolecule is

- Moving things in and out of cells.

- Transporting other molecules in the body.

- Making up the connective tissue in tendons.

Plasmodesmata are interrupted by narrow pores carrying fine strands of cytoplasm, which interlink the contents of the cells.

have