Weathering would be chemical because it's more natural than physical
The greeks were first to use the term atom by the scientist Democritus which he defined as an indivisible and the simplest part of a substance. Neutron was discoverred by the scientist Chadwick, proton was discovered by Sir Ernest Rutherford.For this problem, answer is A.
It is true. Since it is very reactive with oxygen and water, it is kept in kerosene or some other some other oil
