Please answer the question in the picture

The last option, The temperature of the air in each box

Explanation:

An Dependent variable is the variable that is being tested or measured in an experiment while an independent variable is the cause of a change in the dependent variable.

Here, temperature is being measured. Therefore, it is the dependent variable.

Sunlight for 1 hour causes a change in temperature air in the two boxes. Therefore, it is the independent variable

explanation:

plz give me the characteristics.

when atoms of different types of elements join together, they make molecules called compounds. water consists of compound molecules made up of 2 hydrogen atoms and 1 oxygen atom. this is why it's called h2o. water will always have 2 times the number of hydrogen atoms as oxygen atoms.