Answer:
Look at the properties of Oxygen and Silicon - the two most abundant elements in the Earth's crust - by clicking on their symbols on the Periodic Table.
Explanation:
Answer:
true
Explanation:
one reason is because plants need sunlight and water because it is their source of food
1: viewing any chemical reaction in a laboratory
2: dangerous to look at when it burns & used in photography, fireworks, and flares
3: the product
Well people say the world's going to end soon so people need to find another planet to live on they're thinking about Mars at the moment
Yes because look in the book dh
