If there where no frogs there would be a massive amount of insects everywhere. So the benefit of the frogs are to keep us safe from insects. Some places around the world have lose of frogs and resulting to forests covered in webs and even people having to move out because of insects.
Limestone is the rock that is most useful to modern industrial countries because it is the source for the main ingredient in cement.
Rhodium
nictitating membrane
Yes, plants are extremely useful to humans. They provide oxygen, food, medicine, shelter, and materials for clothing and construction. Additionally, they help maintain biodiversity, regulate climate, and support ecosystems.
To carry oxygen to the frog's body cells.
Frog-Man was created in 1982.
Pyxie frog (pixie), Pac-man frog, and Poison frog
Frog-Man - Ani-Men - was created in 1965.
Kermit the Frog.
spider-man who have a long tongue now.the spider-man-frog is the new species.
The body cavity of a frog is much larger in ratio to its body than a man's body cavity is. A frog's body cavity is also much more condensed than a man's.
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A useful young man
3D Frog Man - 1998 VG is rated/received certificates of: USA:E
Neither
biology is useful in every one
giraffes useful to mankind ?