A The continents were once joined together
Explanation:
All the continents were once together making a huge one called Pangea.
Answer:
8,324,608
Explanation:
i saw that no one commented so i seached it and found the answer: 8,324,608
Answer:
From the years 1838-1839, the German scientist Matthias Schleiden proposed the first foundational belief about cells, that all plant tissues are composed of cells. ... The image above shows a drawing of the microscope set up used by Robert Hooke in 1665 in which he first saw cells in a thin slice of cork.