It is about ___________ (10%/small) when humans first appeared.

Some changes have been ___________ (global) whereas others have been ___________ (regional) and localized. The ___________ (important) change affecting us is that the human body has become ___________ (slightly/small). Humans are not ______

The ___________ (tall) humans lived around 40,000 years ago, with an average height of 183 cm.

People who live in are often ___________(warm and dry) climates ___________(healthy) than people who live in ___________(cold and damp) climates.

Helen is ____________ (short) than her younger brother, David.

It is ____________(easy) and slightly __________(quick) to cycle to work than to go by bus.

This is ___________ (much/tall) today's average height of 175 cm.

The doctor told Steve he was __________(likely) to get ill because he didn't do much exercise.

You should wear __________(good) sunglasses than those. Your eyes should be ___________(well/ protected) from the sun.

Physical changes in human appearance have occurred ever since we first appeared. However, ' ___________ (recent) changes have not been ___________ (dramatic) they were in the ___________ (distant) past. This is because we have become ______

The cities here are _________(much/big) than in my country, where the population is __________(small).

Perhaps surprisingly, the human brain is also not ___________ (big) as it used to be.

In fact, the human brain is now the ___________ (small) it has been at any time in the past 100,000 years