Questions

While plant cells have chloroplasts to photosynthesize, they also require ATP for cellular functions, and do use oxygen to break down some of the sugar they produce in order to generate that ATP. Cellular respiration takes place in the mitochondria. They need mitochondria for this reason.
Hence with this logic, we can say that Plants cells have mitochondria.

Sending a message to a group is called multicasting, and its routing algorithm is called multicast routing

Rayon is a versatile fiber. Rayon is chemically Cellulose. It is widely claimed to have the same comfort properties as natural fibers, although the drape and slipperiness of rayon textiles are often more like nylon. It can imitate the feel and texture of silk, wool, cotton and linen. The fibers are easily dyed in a wide range of colors.

A spreadsheet is an interactive computer application for organization, analysis and storage of data in tabular form. This software allows users to store data in rows and columns.

Teens drinking are at risk of date rape, becoming an alcoholic, HIV and other STDs.

The struggle for Italian independence and unification was organised by the two famous revolutionaries of Italy Giuseppe Mazzini and Giuseppe Garibaldi. The movement led by them is known as the 'Young Italy' movement. It aimed at the independence and unification of Italy and the establishment of republic there.