1* choose the correct words.
he studies the climate because)/ or he's
interested in polar bears.
1 ben has got a camera because / but he
doesn't take a lot of photos.
2 it's important to protect elephants
because / and they're in danger.
3 bears sometimes catch fish in rivers
because / or lakes
4 whales are in danger because / and there's
a lot of pollution in the sea.
5 falcons eat animals because / but they don't
usually eat fruit
6 the seals are swimming to the beach
and / because there's a shark in the sea.​

1. due to the energy of the atom man can produce electric energy at atomic power station. 2. an electronic machine has to be used to make all these calculations and technical drawing. 3. they should help their friend to solve this vital problem an soon as it can to be possible. 4. he could not complete his research in time as he was to work very carefully. 5. the students were not able to do the work without their teacher's help; he had to help them. 6. as the student was late for his soil science class, he might not enter the classroom. 1. энергии атома человек может вырабатывать  электрическую энергию на атомной электростанции. 2. необходимо использовать электронную машину   для выполнения всех расчетов и технических чертежей. 3. им следует своему другу решить эту важную проблему как можно быстрее. 4. он не мог завершить свои исследования вовремя, так как он должен был работать внимательно. 5. студенты не смогли сделать работу без преподавателя; ему пришлось им. 6. как студент опоздал на урок по почвоведению, ему не разрешили зайти в аудиторию.