Which best describes the atmosphere of the early Earth? A.
Little or no oxygen, mostly carbon dioxide, water vapor, and nitrogen
B.
Little or no carbon dioxide, mostly oxygen, water vapor, and nitrogen
C.
Little or no water vapor, mostly oxygen and carbon dioxide, with some nitrogen
Large amounts of hydrogen cyanide with low amounts of carbon dioxide and oxygen
D.

3points hurry! what is the relationship between biotechnology, sharkskin, and disease resistance? bioengineers have developed an artificial sharkskin that does not allow resistant bacteria to grow on it. disease-causing microbes have been genetically modified to keep them from infecting the skins of sharks. scientists have created a device that can be attached to the skins of sharks that dramatically increases their abilities to resist disease. sharkskin produces many chemicals that can be collected and used to create antibiotics.

Which group of algae is characterized by unicellular organisms and includes some members that would be better classified as zooflagellates? euglenophytes red algae sporozoans green algae

Do you think the gene eef1 alpha1 supports cell theory? explain your response.