B I think cause your lifting something up?
Answer:
B
Explanation:
Thermos keeps the thermal energy from escaping therefore it minimises it's transfer.
Hope that helped.
Answer:
The type of microscope depends upon the type of sample created.
For observing a sample just to check out its presence of any substance, you can use a simple microscope, and to observe a sample by its morphological features with varying objective lens, you can use compound microscope. To study deep details of the sample, a microscope of high magnifying power like electron microscope can be used.
Proteins function as enzymes, antibodies, and structural components.
Carbohydrates function in short term energy storage or structural components.
