Answer: Scientific observation
Explanation:
The reason for this is, Ben is observing the plants, coming up with questions.
The precambrian era makes up about 90% of the earths history, but there was little to no living organisms at the time other than microscopic ones. The first eukaryotes were found in the cambrian period after the precambrian period, not only that but at the end of the precambrian era in the Proterozoic era there was a mass extinction of about 70-80% of all living organisms
Answer:<u> Infection caused by specific round shaped bacteria called staphylococcus. </u>May also be dangerous or life threatening and can last several weeks or months
Hope this helps!
Answer:
Hope it helps u
Explanation:
They do not get infected with tetanus because they have already been vaccinated which means there are white blood cells and antibodies ready to fight tetanus.
Their immune system is safe because the antibodies won’t let them feel sick.
