Helminthic diseases are usually transmitted to humans via the gastrointestinal route. Helminthic diseases are caused by helminths, which are worm-like parasites. They can enter the body when one ingests contaminated food and/or water. They can also enter through the skin, like when you walk barefoot.
A chemical change results from a chemical reaction, while a physical change is when matter changes forms but not chemical identity. Examples of chemical changes are burning, cooking, rusting, and rotting. Examples of physical changes are boiling, melting, freezing, and shredding.
Explanation:
digestion begins in the mouth Where food is chewed into smaller pieces by the teeth the Tongue helps by moving these pieces around These pieces are covered by saliva Or spit saliva makes the food slippery so It's easier to swallow
Muscle energy and stroke rates of emperor penguins , implication for muscle metabolism and dive performance.
Answer:
Earth formed about 4.6 billion years ago during the birth of our solar system. ... During the next major phase of earth's formation cooling and differentiation of the Earth's layers occurred. Dense materials sank to the center, forming an iron-nickel rich core. Lighter buoyant silicate-rich magma rose to the surface.
Explanation: