Group 7A, the Halogens contain metalloids such as Astatine.
You need a hypothesis a control a non control and experimental class you will have 3 sections and over the days u will record the changes
Answer:
Answer: A.) A good deed can inspire long-lasting gratitude.
Explanation:
Diffusion is the correct answer. Air freshening molecules spread through the room through random diffusion.
C --> He collected a vast amount of data and observations that fueled later theories
