About 100 minerals are considered gemstones, which are minerals

According to the cell theory, which describes cells? a. all organisms are composed of multiple cells. b. all cells have the same structure and function. c. cells are found in everything on earth. d. living organisms are not created spontaneously

Describe the two types of vascular tissue

Which tool could you see a plant cell? a. a filter b. a microscope c. a microwave d. an electromagnet