D. Avoid the use of mathematical equations in recording your observation
Answer:
It is the process where by plants manufacture their own food by using raw material such as carbon (iv) oxide, water and sunlight.
The temperature pattern which is being shown by the isotherms is that: D. temperatures increase from the center of the country toward the Southwest.
<h3>What is an isotherm?</h3>
An isotherm refers to a line that is drawn on a map to join points that are having the same temperature, in order to show the distribution of temperature in a geographical area on Earth's surface.
Based on the weather map in the image attached below, we can infer and logically deduce that temperatures typically increase from the center of the country toward the Southwest.
Read more on temperature here: brainly.com/question/2339046
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-5 is the answer i came up with... i think?