Provide sperm to fertilize the eggs in the female reproductive system.
Answer:
The scientific models are the simplified visual representations of the complex processes or systems of the natural world.
The models serve many important purposes in scientific investigations as they are used by the researchers to test the predicted hypothesis proposed and to explain the results to another group of peoples which could be a layman.
The 3 D structures of molecules are represented by the globular models and stick key models which even represents the bonds between atoms.
In ancient times, people did not know the causes or carriers of diseases. Since they could not come up with a scientific reasno with thier current technology, they diecided that the gods sent the diseases as a punishment for thier sins.
they fly best in the troposphere
1. What would happen if a person fell into a black hole?
2. Why it takes more genes to make a tomato than a human.
3. How the placebo effect works.