The answer is the third option! Photosynthesis is the process in which plants convert carbon dioxide, water, and light energy into oxygen and glucose! Have a great day, I hope this helped! ^_^
As populations are the smallest unit that actually evolves, it is reasonable to call them the "unit of evolution"
She should give him/her a shot and medicine where they can feel better!
Answer: it happens from chemical reactions when compound like sulfur dioxide and nitrogen oxides are released into the air. Then all those substances that were released go into the atmosphere when they mix and react with the water, oxygen and other chemicals to form acid rain.