active and passive satellites

Communication Systems..

Look at these sentences: - Ram thanked Hari. Hari was thanked by Ram. In the first sentence the emphasis is on the doer, Ram. In the second sentence the emphasis is on the action, was thanke..

Active Voice - A verb is in the Active Voice when its form shows that the person or thing denoted by the subject is the doer of the action. In all these sentences the person denoted by the subject does something. These verbs are in Active Voice. Jim helps Joseph The ca..

Active immunity develops as a result of the contact of an individual with pathogenic organisms or their products. They stimulate the body to produce antibodies in response to the antigens. The immunity thus produced is specific for a particular diseas..

Space Exploration..

Gravitation..

Communication Systems..

The transport of materials across the cell membranes with the help of energy is called active transport. Both diffusion and osmosis are passive transport mechanisms, not requiring energy. Active transport helps in the transport of ions across the membranes of the cell..

1. Centre sells Balco to Sterlite Industries 2. Cyclone hits Orissa 3. Gujarat devastated by a severe earthquake 4. Child killed by Tiger 5. House burgled in Basavanagudi 6. 'Chisel Gang' active in Corbett park again Sentences 1, 2 and 6 are in active whereas 3, 4 and 5 are in ..

Water can be absorbed by two methods: Active absorption Passive absorpti..