[Think 4 B2] Unit 11 Vocabulary

Front

The presence of harmful substances in air, water, or food is called:

Back

Contamination

Front

If bacteria or other harmful substances spread from one surface to another, it is called:

Back

Cross-contamination

Front

Something relating to planets or space is described as:

Back

Planetary

Front

When different people or groups work together towards a common goal, it is called:

Back

Collaboration

Front

To succeed in dealing with a problem means to:

Back

Overcome

Front

A problem that affects the human mind or emotions is called:

Back

Psychological

Front

The energy emitted in waves or particles, often dangerous, is called:

Back

Radiation

Front

An environment that is completely clean and free from bacteria is:

Back

Sterile

Front

A lack of knowledge or awareness is known as:

Back

Ignorance

Front

The power to enforce rules or make decisions is called:

Back

Authority