Thus, Cactus survive with the help of its "green stems" and "transpiration".
The correct answer among the options given is the last option. Fossil fuels are the resources that cannot be renewed. Resources that cannot be renewed or replenished are referred as non-renewable resources. Fossil fuels are made for very long periods of time and cannot be replenished instantly.
Answer:
When plants are not watered properly they wilt. This is because of something called turgor, which is water pressure inside the cells that make up the plant's skeleton.
Hope this helps!
The answer you are looking for is chitin.
According to a page that I found with info on the subject,
"All arthropods have bodies divided into segments and covered with a hard EXOSKELETON. This tough casing is made of a protein called chitin, which is also found in human fingernails."
https://www.factmonster.com/dk/encyclopedia/nature/arthropods
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A disease that can be spread from one person to another.