Yes it is an example of friction.Also a sled sliding across the snow or ice
Pollen grain, embryos, seed coatings, and megasporangium.
They won’t really do anything except slowly die, it is a possibility where they can make it through the full cycle but it’s almost impossible.
Answer: Protiens help provide structural support for our metabolism, and they can act as enzymes, carriers, or hormones to help us. They provide growth and maintenence and also act as messengers for our brain. They bolster our immune system and also transport/store nutrients. Basically, they do a whole lot!
Explanation:
