ENGLISH, the 10th form (Nersysian M. A., Pirozhenko A. O.) (Unit 5, Exercise 2, p. 130)

Genetics/biology may explain why Stella and her sister have the same disease.

Ecology/geography is the study of how living things relate to their environment.  

In our geography/ chemistry class, we are learning about rivers.

A team of scientists has been studying the physics/ chemistry of the ozone layer

It is a fact of history/ astronomy that near the equator, the earth receives more energy from the sun.

The purpose of architecture/ archaeology is to understand the past by studying material culture.

In biology/ genetics class we had to dissect a frog.

Yesterday is history/ archaeology.Tomorrow is a mystery. But today is a gift.

I studied electrical engineering/ physics, but after university I didn’t want to work as an engineer.

Einstein’s theory marked a new epoch in mathematics/ physics.

Quantum astronomy/ physics is too difficult for a mere mortal to understand.

Genetic engineering/ nuclear engineering is a science about the artificial reproduction of genetically identical descendants of a simple plant or animal.