1 the atmosphere because gas is everywhere.
It occurs only in cells in the reproductive structures of organisms.
Meiosis only occurs in the reproductive cells, producing gametes with half of the genetic information as the parent cell.
Answer:
Explanation:
When a solid is heated the particles started to vibrate faster and when it vibrate faster the outer layer breaks down and change into liquid.So,a solid change into liquid when heat is added.
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The body contains about a trillion cells
Answer:
They contain protein fibres that can contract when energy is available, making the cells shorter.
