True I think I have learned about this but I am 90% sure
<span>His work will make you use the value of ecosystem services in your environmental policy work. He believed on putting a price tag on nature to show how much it is worth and why it needed protection. He figured the monetary value might make more people care.</span>
When an instructor listens carefully to your question in class, he or she is using acknowledgment.
The instructor is acknowledging that you are speaking and that you are interesting in knowing the answer to your question. He or she is not irritable, but rather patient with you and listens without interrupting you.
<span>goods and services produced domestically but sold in other countries</span>
