Answer:D
Explanation:It can only be B or D but it has 4 not 5 so it has to be D!
The answer is false. there are five types of biomes.
Real number : 8394000000
scientific notation : 8.394 x 10^9
Answer:
A hydrogen atom is an atom of the chemical element hydrogen.Carbon is a chemical element with the symbol C and atomic number 6. It is nonmetallic and tetravalent—making four electrons available to form covalent chemical bonds.
In chemistry, an element is a pure substance consisting only of atoms that all have the same numbers of protons in their atomic nuclei.
Explanation:
What was the investigation? But from my best guess I'm assuming it's the second option. This may be incorrect.