Answer:
Gas Pressure
Explanation:
Gas pressure is caused by the force exerted by gas molecules colliding with the surfaces of objects (Figure 5.2. 1). Although the force of each collision is very small, any surface of appreciable area experiences a large number of collisions in a short time, which can result in a high pressure.
In an observation in an experiment, you want to write down as much detail as possible. So the answer would be false.
Answer:
double replacement occurs
Answer:
Substances 1 and 2
Explanation:
an element only has 1 kind of atoms :3