Cyanobacteria are the major force of the Great Oxygenation Event around 2.35 billion years ago. The organisms that evolved photosynthesis changed the composition of the atmosphere to mainly oxygen. This changed the dynamic of life on earth by allowing organisms to also exist on land. This is because it was possible for ozone to form and reduce the lethal UV rays from the sun reaching the earth's surface to destroy genetic material.
The thermosphere keeps the earth from geting to hot frome the sun and it's the last layer so...the thermospher
Answer:
Endospores
Explanation:
Autoclaving is a sterilization method that involves the use of high temperature and pressure. In medical application, it is used for the sterilization of medical equipment and also used for vulcanizing rubber and curing coatings in the chemical industry.
Autoclaving process destroys living cells as well as bacterial endospores. Endospores are tough non reproductive structures produced by some bacteria. They have the ability to be dormant, hence can enable bacteria to survive environmental stress.
Answer:
<h2><em><u>starch</u></em></h2>
Explanation:
Plants store carbohydrates in long polysaccharides chains called starch.