Bohr's model was known as the solar system model. This is because he envisioned electrons as orbiting the nucleus in circles, and the force that kept that together was electrostatic attraction. This is analogous to the solar system model, where planets orbit the sun in a manner (although not in a circle) controlled by gravity.
Answer:
Explanation:
1) The burning of fossil fuel increases green house gases in the atmosphere.
2) Sulphur dioxide gas from volcano can lead to avoid rain air pollution.
Answer:
I think it's B
Explanation:
Pelicans have big beaks to hold how big the fish they catch are.
I hope this helps.
I believe the answer is B. PO4-3