Answer:
Common examples include carbon, sulfur, oxygen, iron, copper, aluminium. Elements are represented by symbols. Compounds are substances made from atoms of different elements joined by chemical bonds. They can only be separated by a chemical reaction.
Explanation:
Substances can be categorised as either elements or compounds. Both of these are made up of atoms, the only difference is an element is made of one type of atom whereas compounds are made of two or more different types of atoms.
Answer:
number 1 its 25 number 2 its 10000
Explanation:
No, the correct answer is Ecosystem
Photosynthesis
Uses carbon dioxide
The modern sea turtles emerged from a common progenitor about 110 million years ago and offered rise to 4 families of sea turtles.
<h3>What did the sea turtle evolve from?</h3>
Sea turtles grew from land and freshwater turtles, that lived about 230 million years ago in the Cretaceous period.
Even though our current turtle species has varied over time.
Thus, progenitor about 110 million years ago and gave rise to 4 families of marine turtles.
To learn more about sea turtles click here:
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