An unknown gas, D, reacts with fluorine gas to form the compound DF (9), as represented by the following equation
D(9) +2F2(g) → DF (9)
A series of experimental trials were performed at 600°C to determine the rate law expression for the
reaction. Data from the trials are shown below.

Ithink the answer is pollution in the air steel made of iron and carbon

If the water vapor content stays the same and the temperature drops, then the relative humidity increases. its vise versa.if the water vapor content stats the same and the temperature rises, the relative humidity decreases. so, yes, i'd say that temperature and humidity have a strong relationship.

It was necessary to redeem the world and he knew that his son was the only way

The answer is a) carbon-12