The answer is C) the sun. “The sun is the major source of energy for organisms and the ecosystems which they are part of” & “Light is the PRIMARY source of energy to almost all ecosystems”
Answer:
D.
Explanation:
She's trying to find the affect different shapes have on the distance the plane flies, not the affect different types of paper have on distance. If she were to use different paper for each plane she'd be testing two variables instead of one.
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The structure that passes through the intervertebral foramina is the spinal nerve.
<h3>What is intervertebral foramina?</h3>
Intervertebral foramina is a type of foramen or an opening that is found in the vertebral column and is formed between two spinal vertebrae.
The Intervertebral foramina provides an opening for the passage of the spinal nerve that branched off from the spinal cord.
Learn more about spinal cord here:
brainly.com/question/16953234
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Answer:
Crude oil or also called "liquid fossil fuel"
Explanation:
Crude oil is most common is most fuel products. And in the commercial Pennzoil, the guy mentions crude oil, which can wear down engines.