Questions

A star is a self luminous astronomical object and shines due to internal radiation from the enrgy sources. All stars are held together by their own gravity called Gravitational force.

Magellan was a Portuguese sailor who was the first to sail round the world.

The most important polymer present in the nucleus is DNA- the master molecule. It is a polymer of Nucleotides.

The rapid flow of air between the two moving ships causes a reducton of pressure (Bernoulli's principle) , so they (the ships) are drawn closer together

Data is organized in the form of row and columns, thus it is in tabular structure.

Herbivorous organisms are those that take for their food, plant parts like leaves raw in contrast to vegetarian, which means that plant products are taken raw or after being cooked.