I. Read the text and choose the right option:
Only humans speak using words. But all species in the animal kingdom can communicate in one way or another. Maybe you have heard about the way bees dance around to send messages to each other and the way dogs bark in different ways to give warnings, to be friendly or to be playful.
But did you know about infrasonic communication used by elephants? This is how it works.
Շարունակել կարդալ “Task 1”