Peristalsis is a series of wave-like muscle contractions that move food through the digestive tract. It starts in the esophagus where strong wave-like motions of the smooth muscle move balls of swallowed food to the stomach.
The hydroponics root system to grow is that they use the same method as the soil root but the root volume for hydroponics is highly restricted and they don't need to use too much energy to grow.
Answer: The steel frame to make the bike
Explanation:
it is a natural resource that cannot be replaced,
<span>Carl Linnaeus was born May 13th, 1707 and died January 10th 1778 aged 70 he was a Swedish botanist which means he performed scientific studies of plants, [ he was also a physician also known as a medical practitioner or medical doctor and a zoologist which is the study of animals. He also started the scheme of nomenclature which is the naming of species of animals and plants; he is also known as the "father of modern taxonomy" taxonomy sometimes alpha taxonomy meaning the science of finding, describing and categorising organisms </span>