С какой целью проводятся описания в ходе биологических исследований?​

idhfhfhd: Найдите предложения с глаголом - сказуемым в Present Continuous, переведите.
1. Water and air are becoming more polluted. 2. At present computers are more widely used in the sphere of education. 3. Where were you at six o'clock? We were studying in the reading-room. 4. There are government and public organizations that are analysing data on land, forest and air.

idhfhfhd: Помоги пожалуйста