Answer: Hydrogen and Helium
Explanation: Hydrogen is made from from one proton and one electron, making them one of the simplest forms of elements in the universe. Combining hydrogen atoms creates helium, the second most common element in the Universe.
The cells get into your body by the lungs this answer is correct cause i had the same question and my teacher mark it correct
Considering that scientific notation has to move the decimal over so there is only one digit in the Tens place, that is the scientific notation.
Oil consists of many B. Covalent bonds between the nonmetals of Carbon, hydrogen and oxygen.
Answer:D
Explanation: Solid, liquid, and gas phases in equilibrium
