Build several models of his tree house out of different materials, and see which model holds up best to wind, water, and ice.
Answer:
an optical instrument used for viewing very small objects, such as mineral samples or animal or plant cells, typically magnified several hundred times.A microscope is a laboratory instrument used to examine objects that are too small to be seen by the naked eye. Microscopy is the science of investigating small objects and structures using a microscope. Microscopic means being invisible to the eye unless aided by a microscope.
The Krebs cycle occurs in the <span>matrix of mitochondria. It is one of the main processes of creating energy for the organism.</span>
