Question

To find the locus of the tangent lines to cone at a point on it

Answer 1

Answer:

Gross Character will “form-the basis of start of the hierarchy and fine character -will -form “the basis of further steps of single the hierarchy.

Example:

Presence of vertebral column in human beings can be taken under vertebrata.

Presence of four limbs makes them members of Tetrapoda.

Presence of mammary glands keeps them under mammalia.

Answer 2

Answer:

An oasis is a unique water landform: in order to be considered an oasis, the area has to be surrounded by desert, have a water source, and have vegetation. Many oases have underground water supplies called aquifers that make the land surrounding the oasis fertile enough to grow plants, like date palms.