Answer:buckled railroad tracks on a hot day
Explanation: i just did it
It would be the u<span>ranium-238 which is among the most commonly used radioisotope as a tracer in the process of nuclear scanning. In addition, the technique is of much significance in the field of medicine because it is commonly used in diagnosing and treatment of diseases most especially the cancer cells.</span>
The majority of their bonds are nonpolar covalent carbon-to-hydrogen linkages.
Answer:
HUGE SWAMPS
Explanation:
Back then, much of the earth was covered by huge swamps. They were filled with giant ferns and plants. As the plants died, they sank to the bottom of the swamps. Over the years, thick layers of plants were covered by dirt and
water. They were packed down by the weight. After a long time, the
heat and pressure changed the plants into coal.
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