Explanation:
carbon dioxide is emitted during cement production by fossil fuel combustion .
Answer:
Whisk ferns
Explanation:
Non-vascular Plants. The non-vascular plants include mosses, hornworts and liverworts, and some algae. They are generally small plants limited in size by poor transport methods for water, gases and other compounds. They reproduce via spores rather than seeds and do not produce flowers, fruit or wood.
Primary succession need soil, when secondary succession uses remainder soil
