Answer:
Carbon dioxide is a greenhouse gas and traps heat in the atmosphere. Without it and other greenhouse gases, Earth would be a frozen world. But humans have burned so much fuel that there is about 30% more carbon dioxide in the air today than there was about 150 years ago, and Earth is becoming a warmer place.
Enzymes (Catalysts) lower the required activation energy, allowing the reaction to happen more quickly.
Ik this in spanish but i dont know how can i translate this
The answer is A. Chlorophyll
Question 4 is to consume food.
