Answer:yes
Explanation:
Impure substance is a mixture of 2 or more molecules
Answer:
Hydrogen and part oxygen
Explanation:
Water is composed of these two which makes the symbol H20
A group of people are building a house. They have a large package of building materials that needs to be moved. A block and tackle, a type of pulley, is used to pull the material up so it can be set in the back of a truck.
The answer is B I'm pretty sure of it.
The moon has a higher maximum surface temperature compared to Earth (253 degrees of moon to 136 degrees of Earth), but this also depends on night (which is colder) or day (which is hotter).
The moon has such extreme temperatures because it has no atmosphere that can "reflect" some of the heat from the sun, whereas the earth does.