SEM and TEM are electron microscopes whereas the SEM uses reflected electrons and TEM uses transmitted electrons to form an image
Explanation:
- SEM is the scanning electron microscopes and TEM is the Transmission electron microscope
- SEM works by detecting the scattered electrons to create an image of the sample whereas the TEM detects the transmitted electrons to create the image of the sample
- SEM will only be analysing the surface of the sample whereas TEM collects data vertically also
- TEM sample needs to cut thinner than SEM and TEM will give high-resolution images than SEM
The sun enters as energy and then the energy that leaves the chain exists as heat energy
The food runs out and the species usually ends up running out of food, but can sometimes spread to farther places if they are habitable. Then, that plant is endangered or extinct in that area. That is why overpopulation is taken so seriously. They can damage so many things. Then, the predators will have nothing to eat in that environment and will end up dying and the other animals that eat that plant will end up dying, and so on. Very sad! :(
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DNA is a transforming actor
Answer:
The early atmosphere was mainly carbon dioxide and water vapour. Water vapour condensed to form the oceans. Photosynthesis caused the amount of carbon dioxide to decrease and oxygen to increase.
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