Carrots and some vegetables
Answer:
b
Explanation:
Alkenone molecules from phytoplankton are robust enough to survive the effects of weathering and chemical breakdown for 110 million years. Rock layers yield chemical traces of these ancient organisms. Their chemical composition indicates ancient water temperatures.
Answer:
Bacteria
Explanation:
Bacteria have no true nucleus because it's a prokaryote. It couldn't have been a virus because all naturally occurring viruses are pathogenic unless treated by radiation.
We have two types of bacteria,
- Pathogenic
- Commensals
Pathogenic bacteria will definitely cause disease. Commensals, however, have don't harm us and have the ability to help us.
Eg: Flora (bacteria) in our intestines produce vitamin K and most of the vitamin B complex. They also compete with the pathogenic bacteria that you might've ingested and don't allow them to increase to the number that can cause disease.
Where are your Answer Choices?:-/