The answer is fossils. they find and study them
From Melting! Hope this helped
Answer:
In carbon containing compounds, carbon usually forms four bonds, nitrogen usually forms three bonds, oxygen usually forms two bonds, and hydrogen only forms one bond.
Explanation:
In organic compounds in which carbon is present, the number of bonds formed depend on the number of electrons available for each chemical element. In the case of Carbon, it is 4. Nitrogen is 3. Oxygen is 2. Hydrogen is 1. In other types of compounds, it is possible to see different types of bonds.
Answer:
Compressibility means: being able to basically squish something easier. Like water, water can be reduced in volume or size under pressure When that water expands, it turns into a gas.
Explanation: