How many species go extinct every year

What does water came out from a rock mean in this poem and why is it compared to the radio waltz? time was away and somewhere else. the waiter did not come, the clock forgot them and the radio waltz came out like water from a rock: time was away and somewhere else.

Suppose you connect a battery to a small light bulb with a single wire. what do you think will happen? explain your answer.

Hatchell landscape architecture firm worked on which two of the following projects