Answer:
The concept of "agent" has many variations and interpretations..the sign for "person" is sometimes initialized with the letter "P" but in everyday signing there is generally no reason to use the "P" handshapes. You can just use "flat" hands..When you use the PERSON-[agent] sign in combination with other signs you should always use "flat" hands (not "P"-hands)
Answer:
Without trees, humans would not be able survive because the air would be unsuitable for breathing. If anything, people would have to develop gas masks that filter the little oxygen that would be left in the air. ... Anyway, trees take carbon from the atmosphere through photosynthesis in order to make energy
Explanation: