Respuesta :

Emmzies

Answer:

Tress need carbon dioxide

Explanation:

Trees give us oxygen while we give them carbon dioxide in return.Trees are important on the earth surface because they help to keep us alive

bt990

Answer:

Plants need Carbon Dioxide

Explanation:

Plants breathe in the carbon dioxide that we breathe out. Carbon dioxide is harmful to our lungs, but the plants take carbon out of the air and give us the oxygen we need.