How do i know which ones the independent variable and which ones the dependent variable

The image below shows a weather service map. which details best describe this map? check all that apply

Natural resources are any materials that humans obtain from the earth to meet our wants and needs.

Ivan is looking at a cross section of a stem taken from a vascular plant. he sees two different types of vascular tissue: the xylem, which is closer to the center of the stem, and the phloem, located around the xylem, closer to the outside of the stem. how do these two structures work together in a living plant?