Answer:
1,2,3,5,7,8,9
Explanation:
are all physical properties
You could design the hero with the powers of helium which then u can describe why u made the character with thoose powers
Rocket launch site would be the controlled variable
Answer:
two oxygen atoms
Explanation:
One mole of oxygen gas, which has the formula O2, has a mass of 32 g and contains 6.02 X 1023 molecules of oxygen but 12.04 X 1023 (2 X 6.02 X 1023) atoms, because each molecule of oxygen contains two oxygen atoms.
The answer is A. carbon dioxide and water
