Answer:
They also occur in leaves and fruits and constitute the hard shell of nuts and the outer hard coat of many seeds. Sometimes known as stone cells, sclereids are also responsible for the gritty texture of pears and guavas
Explanation:
Yes it can be seen in a microscope
I believe that oxygen and silicon are the most common elements found in the Earth's crust.
Answer:
The answer should be A. applied research scientist.
Explanation: