Cell membrane or in planet cells: cell wall AND membrane
Answer:
He studyd extream science
Explanation:Because he was sick and tired of peope calling him syupid
Answer:
gas particles are very losely packed then liquid
Answer:
Cyanobacteria, Anabaena and Azotobactor are called Nitrogen fixing bacteria. These bacteria change the nitrogen in the atmosphere into a form that is used by the plants to make proteins. Plants take nitrogen in the form of nitrates. The atmospheric nitrogen is first converted into ammonia after that ammonia is converted into nitrates and this nitrates use by the plants to make proteins.
