C is probably the correct one
Answer:
Hydrogen and helium compounds.
Explanation:
We know that the solar System was formed around <u>4.6 billion years ago, </u>due to the gravitational collapse of a giant interstellar molecular cloud.
This cloud is a type of interstellar cloud and its density and size permit the formation of molecules, most commonly molecular hydrogen.
Therefore the principal substances were found before planets began to form are hydrogen and helium compounds, besides Rocks, metals, most of them in gaseous form.
I hope it helps you!
~Hello there! ^_^
Your question: An objects momentum is determined by the object's..?
Your answer: An objects momentum is determined by the object's mass and velocity.
Happy Studying! =)
Answer:
39 g H2O contains 1.3 ×1024molecules H2O.
Explanation:
His knees are flat in front of him or 180 degrees, i hope that answered your question
