Carbon dioxide gas is important to plants because help i am on a test
Carbon dioxide is used to create egg and sperm cells in plants for reproduction.
Carbon dioxide is used to help protect plants from being eaten by animals.
Carbon dioxide is used in photosynthesis to make energy for plants.
Carbon dioxide is used to help keep structure of the plant.

C. Carbon dioxide is used in photosynthesis to make energy for plants.

Explanation:

the correct answer is the following is a list of inventions made in the medieval islamic world, especially during the "islamic golden age" (8th to 13th centuries),[1][2] as well as the late medieval period, especially in the emirate of granada and the ottoman empire.

science and technology in the islamic world adopted and preserved knowledge and technologies from contemporary and earlier civilizations, including persia, india, china, and greece-roman antiquity, while making a number of improvements and innovations.