Enzymes are biological molecules (typically proteins) that significantly speed up the rate of virtually all of the chemical reactions that take place within cells. Enzymes are highly selective catalysts, meaning that each enzyme only speeds up a specific reaction. Hope I’ve helped ;)
Earth's atmosphere provides protection, breathing, and the cycling of elements to humans.
<h3>Relationship humans have with Earth’s atmosphere</h3>
The fundamental relationship between humans and nature is the ongoing exchange and change of resources, the service nature and humans provide to each other. Humans provide carbondioxide to the atmosphere whereas atmosphere provides oxygen for breathing.
It also provides nitrogen to the soil due to which plants produce amino acid and provides food to us. Earth's atmosphere such as ozone layer provides protection from ultraviolet radiation.
Learn more about humans here: brainly.com/question/24466312
